Home / 4,488.28-6,721.97-4,332.58

Finding the Fourth Proportional to 4,488.28, 6,721.97 and 4,332.58

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Solution

The fourth proportional to 4,488.28, 6,721.97 and 4,332.58 is: 6,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,488.28 : 6,721.97 = 4,332.58 : x
  2. Step 2: Convert to fraction form
    4,488.28/6,721.97 = 4,332.58/x
  3. Step 3: Cross multiply
    4,488.28x = 6,721.97 × 4,332.58
  4. Step 4: Simplify right side
    4,488.28x = 29,123,472.78
  5. Step 5: Solve for x
    x = 29,123,472.78/4,488.28
  6. Step 6: Final answer
    x = 6,488.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.