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Finding the Fourth Proportional to 3,663.97, 5,494.43 and 2,275.22

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Solution

The fourth proportional to 3,663.97, 5,494.43 and 2,275.22 is: 3,411.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.97 : 5,494.43 = 2,275.22 : x
  2. Step 2: Convert to fraction form
    3,663.97/5,494.43 = 2,275.22/x
  3. Step 3: Cross multiply
    3,663.97x = 5,494.43 × 2,275.22
  4. Step 4: Simplify right side
    3,663.97x = 12,501,056.45
  5. Step 5: Solve for x
    x = 12,501,056.45/3,663.97
  6. Step 6: Final answer
    x = 3,411.89

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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.