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Finding the Fourth Proportional to 2,441.60, 3,662.70 and 798.31

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Solution

The fourth proportional to 2,441.60, 3,662.70 and 798.31 is: 1,197.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,441.60 : 3,662.70 = 798.31 : x
  2. Step 2: Convert to fraction form
    2,441.60/3,662.70 = 798.31/x
  3. Step 3: Cross multiply
    2,441.60x = 3,662.70 × 798.31
  4. Step 4: Simplify right side
    2,441.60x = 2,923,947.73
  5. Step 5: Solve for x
    x = 2,923,947.73/2,441.60
  6. Step 6: Final answer
    x = 1,197.56

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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.