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Finding the Fourth Proportional to 3,937.44, 5,433.88 and 2,366.88

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Solution

The fourth proportional to 3,937.44, 5,433.88 and 2,366.88 is: 3,266.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.44 : 5,433.88 = 2,366.88 : x
  2. Step 2: Convert to fraction form
    3,937.44/5,433.88 = 2,366.88/x
  3. Step 3: Cross multiply
    3,937.44x = 5,433.88 × 2,366.88
  4. Step 4: Simplify right side
    3,937.44x = 12,861,341.89
  5. Step 5: Solve for x
    x = 12,861,341.89/3,937.44
  6. Step 6: Final answer
    x = 3,266.42

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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.