In the right triangle below $\displaystyle{\sin{{E}}}=\frac{{3}}{{5}}\usepackage{cmbright}\Huge\$ .

What is the length of $\displaystyle{\overline{{{F}{E}}}}\usepackage{cmbright}\Huge\$ ?

The length of $\displaystyle{\overline{{{F}{E}}}}\usepackage{cmbright}\Huge\$ is _____.