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Finding the Fourth Proportional to 3.97, 5.95 and 2.27

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Solution

The fourth proportional to 3.97, 5.95 and 2.27 is: 3.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.97 : 5.95 = 2.27 : x
  2. Step 2: Convert to fraction form
    3.97/5.95 = 2.27/x
  3. Step 3: Cross multiply
    3.97x = 5.95 × 2.27
  4. Step 4: Simplify right side
    3.97x = 13.51
  5. Step 5: Solve for x
    x = 13.51/3.97
  6. Step 6: Final answer
    x = 3.41

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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.