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Finding the Fourth Proportional to 5.23, 7.22 and 3.41

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Solution

The fourth proportional to 5.23, 7.22 and 3.41 is: 4.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.23 : 7.22 = 3.41 : x
  2. Step 2: Convert to fraction form
    5.23/7.22 = 3.41/x
  3. Step 3: Cross multiply
    5.23x = 7.22 × 3.41
  4. Step 4: Simplify right side
    5.23x = 24.62
  5. Step 5: Solve for x
    x = 24.62/5.23
  6. Step 6: Final answer
    x = 4.71

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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.