Home / 2,651.24-3,658.80-1,472.36

Finding the Fourth Proportional to 2,651.24, 3,658.80 and 1,472.36

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Solution

The fourth proportional to 2,651.24, 3,658.80 and 1,472.36 is: 2,031.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.24 : 3,658.80 = 1,472.36 : x
  2. Step 2: Convert to fraction form
    2,651.24/3,658.80 = 1,472.36/x
  3. Step 3: Cross multiply
    2,651.24x = 3,658.80 × 1,472.36
  4. Step 4: Simplify right side
    2,651.24x = 5,387,070.77
  5. Step 5: Solve for x
    x = 5,387,070.77/2,651.24
  6. Step 6: Final answer
    x = 2,031.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.