Home / 4,759.98-7,139.94-1,472.70

Finding the Fourth Proportional to 4,759.98, 7,139.94 and 1,472.70

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Solution

The fourth proportional to 4,759.98, 7,139.94 and 1,472.70 is: 2,209.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.98 : 7,139.94 = 1,472.70 : x
  2. Step 2: Convert to fraction form
    4,759.98/7,139.94 = 1,472.70/x
  3. Step 3: Cross multiply
    4,759.98x = 7,139.94 × 1,472.70
  4. Step 4: Simplify right side
    4,759.98x = 10,514,989.64
  5. Step 5: Solve for x
    x = 10,514,989.64/4,759.98
  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.