Home / 5,311.39-7,331.75-3,542.35

Finding the Fourth Proportional to 5,311.39, 7,331.75 and 3,542.35

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Solution

The fourth proportional to 5,311.39, 7,331.75 and 3,542.35 is: 4,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.39 : 7,331.75 = 3,542.35 : x
  2. Step 2: Convert to fraction form
    5,311.39/7,331.75 = 3,542.35/x
  3. Step 3: Cross multiply
    5,311.39x = 7,331.75 × 3,542.35
  4. Step 4: Simplify right side
    5,311.39x = 25,971,624.61
  5. Step 5: Solve for x
    x = 25,971,624.61/5,311.39
  6. Step 6: Final answer
    x = 4,889.80

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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.