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Finding the Fourth Proportional to 3,079.57, 4,250.22 and 1,753.41

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Solution

The fourth proportional to 3,079.57, 4,250.22 and 1,753.41 is: 2,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.57 : 4,250.22 = 1,753.41 : x
  2. Step 2: Convert to fraction form
    3,079.57/4,250.22 = 1,753.41/x
  3. Step 3: Cross multiply
    3,079.57x = 4,250.22 × 1,753.41
  4. Step 4: Simplify right side
    3,079.57x = 7,452,378.25
  5. Step 5: Solve for x
    x = 7,452,378.25/3,079.57
  6. Step 6: Final answer
    x = 2,419.94

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1.5x scale

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.