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Finding the Fourth Proportional to 2,743.50, 4,115.25 and 795.86

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Solution

The fourth proportional to 2,743.50, 4,115.25 and 795.86 is: 1,193.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.50 : 4,115.25 = 795.86 : x
  2. Step 2: Convert to fraction form
    2,743.50/4,115.25 = 795.86/x
  3. Step 3: Cross multiply
    2,743.50x = 4,115.25 × 795.86
  4. Step 4: Simplify right side
    2,743.50x = 3,275,142.29
  5. Step 5: Solve for x
    x = 3,275,142.29/2,743.50
  6. Step 6: Final answer
    x = 1,193.78

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Double scale
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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.