The solution of the proportion \frac{r}{8}=\frac{25}{40}

osnomu3

osnomu3

Answered question

2021-12-16

The solution of the proportion r8=2540

Answer & Explanation

Karen Robbins

Karen Robbins

Beginner2021-12-17Added 49 answers

Calculation:
In order to solve the given equation r8=2540 for the variable, isolate the variable term r on one side by performing some basic algebraic operations to get rid of the other numbers and terms associated with it.
Here to isolate r on both side, first multiply both sides by 8 and then multiply both sides by 40 and then simplify further as shown below,
r8=2540
r88=25408
r=20040
r=5
Thus, the solution of the proportion is r=5.
Dabanka4v

Dabanka4v

Beginner2021-12-18Added 36 answers

Step 1
r8=2540
Multiply both sides of the equation by 40, the least common multiple of 8, 40.
5r=25
Divide both sides by 5.
r=255
Divide 25 by 5 to get 5.
r=5
nick1337

nick1337

Expert2021-12-28Added 777 answers

For the equation
r8=2540
The cross product is
r×40=8×25
Solving for r
r=8×2540
and reducing
r=5

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