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Finding the Fourth Proportional to 2,746.26, 4,120.02 and 798.48

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Solution

The fourth proportional to 2,746.26, 4,120.02 and 798.48 is: 1,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.26 : 4,120.02 = 798.48 : x
  2. Step 2: Convert to fraction form
    2,746.26/4,120.02 = 798.48/x
  3. Step 3: Cross multiply
    2,746.26x = 4,120.02 × 798.48
  4. Step 4: Simplify right side
    2,746.26x = 3,289,753.57
  5. Step 5: Solve for x
    x = 3,289,753.57/2,746.26
  6. Step 6: Final answer
    x = 1,197.90

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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.