Home / 5,006.62-7,508.17-1,720.11

Finding the Fourth Proportional to 5,006.62, 7,508.17 and 1,720.11

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Solution

The fourth proportional to 5,006.62, 7,508.17 and 1,720.11 is: 2,579.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006.62 : 7,508.17 = 1,720.11 : x
  2. Step 2: Convert to fraction form
    5,006.62/7,508.17 = 1,720.11/x
  3. Step 3: Cross multiply
    5,006.62x = 7,508.17 × 1,720.11
  4. Step 4: Simplify right side
    5,006.62x = 12,914,878.30
  5. Step 5: Solve for x
    x = 12,914,878.30/5,006.62
  6. Step 6: Final answer
    x = 2,579.56

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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.