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Finding the Fourth Proportional to 3.14, 4.34 and 2.96

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Solution

The fourth proportional to 3.14, 4.34 and 2.96 is: 4.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.14 : 4.34 = 2.96 : x
  2. Step 2: Convert to fraction form
    3.14/4.34 = 2.96/x
  3. Step 3: Cross multiply
    3.14x = 4.34 × 2.96
  4. Step 4: Simplify right side
    3.14x = 12.85
  5. Step 5: Solve for x
    x = 12.85/3.14
  6. Step 6: Final answer
    x = 4.09

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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.