5:7::?:28
solve it?
You asked:
Solve \(5 : 7=? : 28\) for the variable \(?\).
MathBot Answer:
$$\begin{aligned}? &= 20\end{aligned}$$
Express both ratios as fractions. \[\frac{5}{7} = \frac{?}{28}\]
Cross-multiply and solve for the unknown. $$\begin{aligned}\frac{5}{7} &= \frac{?}{28} \\ 140 &= 7 ? \\ ? &&= 20 \end{aligned}$$