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Finding the Fourth Proportional to 3,149.71, 4,346.39 and 1,733.12

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Solution

The fourth proportional to 3,149.71, 4,346.39 and 1,733.12 is: 2,391.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.71 : 4,346.39 = 1,733.12 : x
  2. Step 2: Convert to fraction form
    3,149.71/4,346.39 = 1,733.12/x
  3. Step 3: Cross multiply
    3,149.71x = 4,346.39 × 1,733.12
  4. Step 4: Simplify right side
    3,149.71x = 7,532,815.44
  5. Step 5: Solve for x
    x = 7,532,815.44/3,149.71
  6. Step 6: Final answer
    x = 2,391.59

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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.