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Finding the Fourth Proportional to 4,654.27, 6,983.03 and 2,190.97

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Solution

The fourth proportional to 4,654.27, 6,983.03 and 2,190.97 is: 3,287.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,654.27 : 6,983.03 = 2,190.97 : x
  2. Step 2: Convert to fraction form
    4,654.27/6,983.03 = 2,190.97/x
  3. Step 3: Cross multiply
    4,654.27x = 6,983.03 × 2,190.97
  4. Step 4: Simplify right side
    4,654.27x = 15,299,609.24
  5. Step 5: Solve for x
    x = 15,299,609.24/4,654.27
  6. Step 6: Final answer
    x = 3,287.22

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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.