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Finding the Fourth Proportional to 3,037.87, 4,540.16 and 2,217.87

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Solution

The fourth proportional to 3,037.87, 4,540.16 and 2,217.87 is: 3,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.87 : 4,540.16 = 2,217.87 : x
  2. Step 2: Convert to fraction form
    3,037.87/4,540.16 = 2,217.87/x
  3. Step 3: Cross multiply
    3,037.87x = 4,540.16 × 2,217.87
  4. Step 4: Simplify right side
    3,037.87x = 10,069,481.89
  5. Step 5: Solve for x
    x = 10,069,481.89/3,037.87
  6. Step 6: Final answer
    x = 3,314.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.