Home / 5,196.62-7,168.85-3,778.11

Finding the Fourth Proportional to 5,196.62, 7,168.85 and 3,778.11

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Solution

The fourth proportional to 5,196.62, 7,168.85 and 3,778.11 is: 5,211.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,196.62 : 7,168.85 = 3,778.11 : x
  2. Step 2: Convert to fraction form
    5,196.62/7,168.85 = 3,778.11/x
  3. Step 3: Cross multiply
    5,196.62x = 7,168.85 × 3,778.11
  4. Step 4: Simplify right side
    5,196.62x = 27,084,684.98
  5. Step 5: Solve for x
    x = 27,084,684.98/5,196.62
  6. Step 6: Final answer
    x = 5,211.99

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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.