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Finding the Fourth Proportional to 3,170.43, 4,754.43 and 2,193.57

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Solution

The fourth proportional to 3,170.43, 4,754.43 and 2,193.57 is: 3,289.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.43 : 4,754.43 = 2,193.57 : x
  2. Step 2: Convert to fraction form
    3,170.43/4,754.43 = 2,193.57/x
  3. Step 3: Cross multiply
    3,170.43x = 4,754.43 × 2,193.57
  4. Step 4: Simplify right side
    3,170.43x = 10,429,175.02
  5. Step 5: Solve for x
    x = 10,429,175.02/3,170.43
  6. Step 6: Final answer
    x = 3,289.51

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1.5x scale

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.