Home / 5,072.85-7,614.75-4,260.02

Finding the Fourth Proportional to 5,072.85, 7,614.75 and 4,260.02

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Solution

The fourth proportional to 5,072.85, 7,614.75 and 4,260.02 is: 6,394.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.85 : 7,614.75 = 4,260.02 : x
  2. Step 2: Convert to fraction form
    5,072.85/7,614.75 = 4,260.02/x
  3. Step 3: Cross multiply
    5,072.85x = 7,614.75 × 4,260.02
  4. Step 4: Simplify right side
    5,072.85x = 32,438,949.22
  5. Step 5: Solve for x
    x = 32,438,949.22/5,072.85
  6. Step 6: Final answer
    x = 6,394.62

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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.