Home / 5,147.50-7,723.60-2,375.02

Finding the Fourth Proportional to 5,147.50, 7,723.60 and 2,375.02

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Solution

The fourth proportional to 5,147.50, 7,723.60 and 2,375.02 is: 3,563.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.50 : 7,723.60 = 2,375.02 : x
  2. Step 2: Convert to fraction form
    5,147.50/7,723.60 = 2,375.02/x
  3. Step 3: Cross multiply
    5,147.50x = 7,723.60 × 2,375.02
  4. Step 4: Simplify right side
    5,147.50x = 18,343,721.55
  5. Step 5: Solve for x
    x = 18,343,721.55/5,147.50
  6. Step 6: Final answer
    x = 3,563.62

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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.