Question

Find the missing value The ratio of 1.3 to 38 is the same as the ratio of 3.9 to

Answer 1

Given:

Let the missing value be x.

The ratio of 1.3 to 38 is the same as the ratio of 3.9 to x.

`(1.3)/(38)=(3.9)/(x)`

Solve the equation for x,

`\begin{gathered} (1.3)/(38)=(3.9)/(x) \\ 1.3x=3.9*38 \\ 1.3x=148.2 \\ x=(148.2)/(1.3) \\ x=114 \end{gathered}`

Answer: The missing value is 114.