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Adding a resizebox to the table lets you scale it as necessary

\usepackage{caption}
\usepackage{graphicx}
\usepackage{booktabs}

\begin{table}
\begin{minipage}{0.4\linewidth}
\caption{Caption }
\label{tab:le}
\centering
\resizebox{\textwidth}{!}{%
\begin{tabular}[width=\linewidth]{@{}lll ...