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Finding the Fourth Proportional to 3,866.64, 5,335.92 and 2,294.76

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Solution

The fourth proportional to 3,866.64, 5,335.92 and 2,294.76 is: 3,166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866.64 : 5,335.92 = 2,294.76 : x
  2. Step 2: Convert to fraction form
    3,866.64/5,335.92 = 2,294.76/x
  3. Step 3: Cross multiply
    3,866.64x = 5,335.92 × 2,294.76
  4. Step 4: Simplify right side
    3,866.64x = 12,244,655.78
  5. Step 5: Solve for x
    x = 12,244,655.78/3,866.64
  6. Step 6: Final answer
    x = 3,166.74

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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.