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Finding the Fourth Proportional to 3,593.87, 5,389.84 and 1,513.89

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Solution

The fourth proportional to 3,593.87, 5,389.84 and 1,513.89 is: 2,270.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,593.87 : 5,389.84 = 1,513.89 : x
  2. Step 2: Convert to fraction form
    3,593.87/5,389.84 = 1,513.89/x
  3. Step 3: Cross multiply
    3,593.87x = 5,389.84 × 1,513.89
  4. Step 4: Simplify right side
    3,593.87x = 8,159,626.77
  5. Step 5: Solve for x
    x = 8,159,626.77/3,593.87
  6. Step 6: Final answer
    x = 2,270.43

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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.