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Finding the Fourth Proportional to 3,487.73, 4,815.18 and 2,294.60

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Solution

The fourth proportional to 3,487.73, 4,815.18 and 2,294.60 is: 3,167.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.73 : 4,815.18 = 2,294.60 : x
  2. Step 2: Convert to fraction form
    3,487.73/4,815.18 = 2,294.60/x
  3. Step 3: Cross multiply
    3,487.73x = 4,815.18 × 2,294.60
  4. Step 4: Simplify right side
    3,487.73x = 11,048,912.03
  5. Step 5: Solve for x
    x = 11,048,912.03/3,487.73
  6. Step 6: Final answer
    x = 3,167.94

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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.