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Finding the Fourth Proportional to 4.29, 5.87 and 3.68

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Solution

The fourth proportional to 4.29, 5.87 and 3.68 is: 5.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.29 : 5.87 = 3.68 : x
  2. Step 2: Convert to fraction form
    4.29/5.87 = 3.68/x
  3. Step 3: Cross multiply
    4.29x = 5.87 × 3.68
  4. Step 4: Simplify right side
    4.29x = 21.60
  5. Step 5: Solve for x
    x = 21.60/4.29
  6. Step 6: Final answer
    x = 5.04

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.