Home / 5,318.25-7,974.36-2,197.32

Finding the Fourth Proportional to 5,318.25, 7,974.36 and 2,197.32

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Solution

The fourth proportional to 5,318.25, 7,974.36 and 2,197.32 is: 3,294.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.25 : 7,974.36 = 2,197.32 : x
  2. Step 2: Convert to fraction form
    5,318.25/7,974.36 = 2,197.32/x
  3. Step 3: Cross multiply
    5,318.25x = 7,974.36 × 2,197.32
  4. Step 4: Simplify right side
    5,318.25x = 17,522,220.72
  5. Step 5: Solve for x
    x = 17,522,220.72/5,318.25
  6. Step 6: Final answer
    x = 3,294.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.