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Finding the Fourth Proportional to 2,735.78, 4,104.88 and 1,093.55

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Solution

The fourth proportional to 2,735.78, 4,104.88 and 1,093.55 is: 1,640.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.78 : 4,104.88 = 1,093.55 : x
  2. Step 2: Convert to fraction form
    2,735.78/4,104.88 = 1,093.55/x
  3. Step 3: Cross multiply
    2,735.78x = 4,104.88 × 1,093.55
  4. Step 4: Simplify right side
    2,735.78x = 4,488,891.36
  5. Step 5: Solve for x
    x = 4,488,891.36/2,735.78
  6. Step 6: Final answer
    x = 1,640.81

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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.