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Finding the Fourth Proportional to 5,241.90, 7,233.93 and 2,883.90

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Solution

The fourth proportional to 5,241.90, 7,233.93 and 2,883.90 is: 3,979.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.90 : 7,233.93 = 2,883.90 : x
  2. Step 2: Convert to fraction form
    5,241.90/7,233.93 = 2,883.90/x
  3. Step 3: Cross multiply
    5,241.90x = 7,233.93 × 2,883.90
  4. Step 4: Simplify right side
    5,241.90x = 20,861,930.73
  5. Step 5: Solve for x
    x = 20,861,930.73/5,241.90
  6. Step 6: Final answer
    x = 3,979.84

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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.