10:25=x:1
You asked:
Solve \(10 : 25=x : 1\) for the variable \(x\).
MathBot Answer:
$$\begin{aligned}x &= \frac{2}{5}\end{aligned}$$
Express both ratios as fractions. \[\frac{10}{25} = \frac{x}{1}\]
Cross-multiply and solve for the unknown. $$\begin{aligned}\frac{10}{25} &= \frac{x}{1} \\ 10 &= 25 x \\ x &&= \frac{2}{5} \end{aligned}$$