Home / 4,472.35-6,715.55-3,787.99

Finding the Fourth Proportional to 4,472.35, 6,715.55 and 3,787.99

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Solution

The fourth proportional to 4,472.35, 6,715.55 and 3,787.99 is: 5,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472.35 : 6,715.55 = 3,787.99 : x
  2. Step 2: Convert to fraction form
    4,472.35/6,715.55 = 3,787.99/x
  3. Step 3: Cross multiply
    4,472.35x = 6,715.55 × 3,787.99
  4. Step 4: Simplify right side
    4,472.35x = 25,438,417.30
  5. Step 5: Solve for x
    x = 25,438,417.30/4,472.35
  6. Step 6: Final answer
    x = 5,687.93

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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.