Home / 3,537.20-4,868.70-2,487.44

Finding the Fourth Proportional to 3,537.20, 4,868.70 and 2,487.44

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Solution

The fourth proportional to 3,537.20, 4,868.70 and 2,487.44 is: 3,423.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.20 : 4,868.70 = 2,487.44 : x
  2. Step 2: Convert to fraction form
    3,537.20/4,868.70 = 2,487.44/x
  3. Step 3: Cross multiply
    3,537.20x = 4,868.70 × 2,487.44
  4. Step 4: Simplify right side
    3,537.20x = 12,110,599.13
  5. Step 5: Solve for x
    x = 12,110,599.13/3,537.20
  6. Step 6: Final answer
    x = 3,423.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.