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Finding the Fourth Proportional to 5,719.14, 7,892.24 and 3,362.85

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Solution

The fourth proportional to 5,719.14, 7,892.24 and 3,362.85 is: 4,640.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.14 : 7,892.24 = 3,362.85 : x
  2. Step 2: Convert to fraction form
    5,719.14/7,892.24 = 3,362.85/x
  3. Step 3: Cross multiply
    5,719.14x = 7,892.24 × 3,362.85
  4. Step 4: Simplify right side
    5,719.14x = 26,540,402.47
  5. Step 5: Solve for x
    x = 26,540,402.47/5,719.14
  6. Step 6: Final answer
    x = 4,640.63

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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.