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Finding the Fourth Proportional to 3,542.87, 5,308.43 and 2,497.77

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Solution

The fourth proportional to 3,542.87, 5,308.43 and 2,497.77 is: 3,742.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.87 : 5,308.43 = 2,497.77 : x
  2. Step 2: Convert to fraction form
    3,542.87/5,308.43 = 2,497.77/x
  3. Step 3: Cross multiply
    3,542.87x = 5,308.43 × 2,497.77
  4. Step 4: Simplify right side
    3,542.87x = 13,259,224.71
  5. Step 5: Solve for x
    x = 13,259,224.71/3,542.87
  6. Step 6: Final answer
    x = 3,742.51

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1.5x scale

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.