Home / 5,747.87-8,617.43-2,972.77

Finding the Fourth Proportional to 5,747.87, 8,617.43 and 2,972.77

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Solution

The fourth proportional to 5,747.87, 8,617.43 and 2,972.77 is: 4,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,747.87 : 8,617.43 = 2,972.77 : x
  2. Step 2: Convert to fraction form
    5,747.87/8,617.43 = 2,972.77/x
  3. Step 3: Cross multiply
    5,747.87x = 8,617.43 × 2,972.77
  4. Step 4: Simplify right side
    5,747.87x = 25,617,651.87
  5. Step 5: Solve for x
    x = 25,617,651.87/5,747.87
  6. Step 6: Final answer
    x = 4,456.90

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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.