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Finding the Fourth Proportional to 5,258.28, 7,892.10 and 2,662.68

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Solution

The fourth proportional to 5,258.28, 7,892.10 and 2,662.68 is: 3,996.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.28 : 7,892.10 = 2,662.68 : x
  2. Step 2: Convert to fraction form
    5,258.28/7,892.10 = 2,662.68/x
  3. Step 3: Cross multiply
    5,258.28x = 7,892.10 × 2,662.68
  4. Step 4: Simplify right side
    5,258.28x = 21,014,136.83
  5. Step 5: Solve for x
    x = 21,014,136.83/5,258.28
  6. Step 6: Final answer
    x = 3,996.39

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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.