Home / 5,311.15-7,958.42-3,359.25

Finding the Fourth Proportional to 5,311.15, 7,958.42 and 3,359.25

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Solution

The fourth proportional to 5,311.15, 7,958.42 and 3,359.25 is: 5,033.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.15 : 7,958.42 = 3,359.25 : x
  2. Step 2: Convert to fraction form
    5,311.15/7,958.42 = 3,359.25/x
  3. Step 3: Cross multiply
    5,311.15x = 7,958.42 × 3,359.25
  4. Step 4: Simplify right side
    5,311.15x = 26,734,318.19
  5. Step 5: Solve for x
    x = 26,734,318.19/5,311.15
  6. Step 6: Final answer
    x = 5,033.62

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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.