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Finding the Fourth Proportional to 4.97, 7.43 and 3.27

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Solution

The fourth proportional to 4.97, 7.43 and 3.27 is: 4.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.97 : 7.43 = 3.27 : x
  2. Step 2: Convert to fraction form
    4.97/7.43 = 3.27/x
  3. Step 3: Cross multiply
    4.97x = 7.43 × 3.27
  4. Step 4: Simplify right side
    4.97x = 24.30
  5. Step 5: Solve for x
    x = 24.30/4.97
  6. Step 6: Final answer
    x = 4.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.