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Finding the Fourth Proportional to 3,773.68, 5,208.18 and 2,281.66

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Solution

The fourth proportional to 3,773.68, 5,208.18 and 2,281.66 is: 3,148.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.68 : 5,208.18 = 2,281.66 : x
  2. Step 2: Convert to fraction form
    3,773.68/5,208.18 = 2,281.66/x
  3. Step 3: Cross multiply
    3,773.68x = 5,208.18 × 2,281.66
  4. Step 4: Simplify right side
    3,773.68x = 11,883,295.98
  5. Step 5: Solve for x
    x = 11,883,295.98/3,773.68
  6. Step 6: Final answer
    x = 3,148.99

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1.5x scale

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.