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Finding the Fourth Proportional to 5,164.72, 7,753.56 and 3,794.20

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Solution

The fourth proportional to 5,164.72, 7,753.56 and 3,794.20 is: 5,696.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.72 : 7,753.56 = 3,794.20 : x
  2. Step 2: Convert to fraction form
    5,164.72/7,753.56 = 3,794.20/x
  3. Step 3: Cross multiply
    5,164.72x = 7,753.56 × 3,794.20
  4. Step 4: Simplify right side
    5,164.72x = 29,418,557.35
  5. Step 5: Solve for x
    x = 29,418,557.35/5,164.72
  6. Step 6: Final answer
    x = 5,696.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.