Home / 6,105.72-8,425.56-3,453.66

Finding the Fourth Proportional to 6,105.72, 8,425.56 and 3,453.66

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Solution

The fourth proportional to 6,105.72, 8,425.56 and 3,453.66 is: 4,765.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.72 : 8,425.56 = 3,453.66 : x
  2. Step 2: Convert to fraction form
    6,105.72/8,425.56 = 3,453.66/x
  3. Step 3: Cross multiply
    6,105.72x = 8,425.56 × 3,453.66
  4. Step 4: Simplify right side
    6,105.72x = 29,099,019.55
  5. Step 5: Solve for x
    x = 29,099,019.55/6,105.72
  6. Step 6: Final answer
    x = 4,765.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.