Home / 4,759.50-7,139.45-1,472.66

Finding the Fourth Proportional to 4,759.50, 7,139.45 and 1,472.66

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Solution

The fourth proportional to 4,759.50, 7,139.45 and 1,472.66 is: 2,209.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.50 : 7,139.45 = 1,472.66 : x
  2. Step 2: Convert to fraction form
    4,759.50/7,139.45 = 1,472.66/x
  3. Step 3: Cross multiply
    4,759.50x = 7,139.45 × 1,472.66
  4. Step 4: Simplify right side
    4,759.50x = 10,513,939.38
  5. Step 5: Solve for x
    x = 10,513,939.38/4,759.50
  6. Step 6: Final answer
    x = 2,209.04

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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.