Home / 5,372.54-7,408.11-3,380.66

Finding the Fourth Proportional to 5,372.54, 7,408.11 and 3,380.66

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Solution

The fourth proportional to 5,372.54, 7,408.11 and 3,380.66 is: 4,661.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.54 : 7,408.11 = 3,380.66 : x
  2. Step 2: Convert to fraction form
    5,372.54/7,408.11 = 3,380.66/x
  3. Step 3: Cross multiply
    5,372.54x = 7,408.11 × 3,380.66
  4. Step 4: Simplify right side
    5,372.54x = 25,044,301.15
  5. Step 5: Solve for x
    x = 25,044,301.15/5,372.54
  6. Step 6: Final answer
    x = 4,661.54

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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.