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Finding the Fourth Proportional to 5,721.28, 7,892.09 and 3,595.97

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Solution

The fourth proportional to 5,721.28, 7,892.09 and 3,595.97 is: 4,960.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.28 : 7,892.09 = 3,595.97 : x
  2. Step 2: Convert to fraction form
    5,721.28/7,892.09 = 3,595.97/x
  3. Step 3: Cross multiply
    5,721.28x = 7,892.09 × 3,595.97
  4. Step 4: Simplify right side
    5,721.28x = 28,379,718.88
  5. Step 5: Solve for x
    x = 28,379,718.88/5,721.28
  6. Step 6: Final answer
    x = 4,960.38

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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.