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Finding the Fourth Proportional to 4.14, 5.71 and 2.52

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Solution

The fourth proportional to 4.14, 5.71 and 2.52 is: 3.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.14 : 5.71 = 2.52 : x
  2. Step 2: Convert to fraction form
    4.14/5.71 = 2.52/x
  3. Step 3: Cross multiply
    4.14x = 5.71 × 2.52
  4. Step 4: Simplify right side
    4.14x = 14.35
  5. Step 5: Solve for x
    x = 14.35/4.14
  6. Step 6: Final answer
    x = 3.47

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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.