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Finding the Fourth Proportional to 5,770.72, 7,963.92 and 4,371.04

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Solution

The fourth proportional to 5,770.72, 7,963.92 and 4,371.04 is: 6,032.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,770.72 : 7,963.92 = 4,371.04 : x
  2. Step 2: Convert to fraction form
    5,770.72/7,963.92 = 4,371.04/x
  3. Step 3: Cross multiply
    5,770.72x = 7,963.92 × 4,371.04
  4. Step 4: Simplify right side
    5,770.72x = 34,810,612.88
  5. Step 5: Solve for x
    x = 34,810,612.88/5,770.72
  6. Step 6: Final answer
    x = 6,032.28

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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.