Home / 5,172.30-7,754.09-2,248.43

Finding the Fourth Proportional to 5,172.30, 7,754.09 and 2,248.43

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Solution

The fourth proportional to 5,172.30, 7,754.09 and 2,248.43 is: 3,370.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.30 : 7,754.09 = 2,248.43 : x
  2. Step 2: Convert to fraction form
    5,172.30/7,754.09 = 2,248.43/x
  3. Step 3: Cross multiply
    5,172.30x = 7,754.09 × 2,248.43
  4. Step 4: Simplify right side
    5,172.30x = 17,434,478.57
  5. Step 5: Solve for x
    x = 17,434,478.57/5,172.30
  6. Step 6: Final answer
    x = 3,370.74

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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.