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Finding the Fourth Proportional to 3,170.28, 4,375.04 and 1,754.04

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Solution

The fourth proportional to 3,170.28, 4,375.04 and 1,754.04 is: 2,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.28 : 4,375.04 = 1,754.04 : x
  2. Step 2: Convert to fraction form
    3,170.28/4,375.04 = 1,754.04/x
  3. Step 3: Cross multiply
    3,170.28x = 4,375.04 × 1,754.04
  4. Step 4: Simplify right side
    3,170.28x = 7,673,995.16
  5. Step 5: Solve for x
    x = 7,673,995.16/3,170.28
  6. Step 6: Final answer
    x = 2,420.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.