Home / 5,069.38-7,589.40-3,115.66

Finding the Fourth Proportional to 5,069.38, 7,589.40 and 3,115.66

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Solution

The fourth proportional to 5,069.38, 7,589.40 and 3,115.66 is: 4,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,069.38 : 7,589.40 = 3,115.66 : x
  2. Step 2: Convert to fraction form
    5,069.38/7,589.40 = 3,115.66/x
  3. Step 3: Cross multiply
    5,069.38x = 7,589.40 × 3,115.66
  4. Step 4: Simplify right side
    5,069.38x = 23,645,990.00
  5. Step 5: Solve for x
    x = 23,645,990.00/5,069.38
  6. Step 6: Final answer
    x = 4,664.47

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1.5x scale

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.