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Finding the Fourth Proportional to 3,773.77, 5,207.69 and 2,281.43

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Solution

The fourth proportional to 3,773.77, 5,207.69 and 2,281.43 is: 3,148.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.77 : 5,207.69 = 2,281.43 : x
  2. Step 2: Convert to fraction form
    3,773.77/5,207.69 = 2,281.43/x
  3. Step 3: Cross multiply
    3,773.77x = 5,207.69 × 2,281.43
  4. Step 4: Simplify right side
    3,773.77x = 11,880,998.92
  5. Step 5: Solve for x
    x = 11,880,998.92/3,773.77
  6. Step 6: Final answer
    x = 3,148.31

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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.