Question

find the value of x if 5 : 7 :: x : 98.​

Answer 1

5:7::x:98

$\begin{gathered}\\ \tt{:}\dashrightarrow \frac{5}{7}=\frac{x}{98}\end{gathered}$

• Solve for X

$\begin{gathered}\\ \tt{:}\dashrightarrow 5×98=7×x\end{gathered}$

$\begin{gathered}\\ \tt{:}\dashrightarrow 490=7x\end{gathered}$

$\begin{gathered}\\ \tt{:}\dashrightarrow 70=x\end{gathered}$

$\large\color{cyan}{ \tt{x=70}}$