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Finding the Fourth Proportional to 5,654.27, 7,801.95 and 3,135.98

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Solution

The fourth proportional to 5,654.27, 7,801.95 and 3,135.98 is: 4,327.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,654.27 : 7,801.95 = 3,135.98 : x
  2. Step 2: Convert to fraction form
    5,654.27/7,801.95 = 3,135.98/x
  3. Step 3: Cross multiply
    5,654.27x = 7,801.95 × 3,135.98
  4. Step 4: Simplify right side
    5,654.27x = 24,466,746.54
  5. Step 5: Solve for x
    x = 24,466,746.54/5,654.27
  6. Step 6: Final answer
    x = 4,327.13

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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.