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Finding the Fourth Proportional to 2,801.97, 4,194.79 and 2,183.79

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Solution

The fourth proportional to 2,801.97, 4,194.79 and 2,183.79 is: 3,269.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.97 : 4,194.79 = 2,183.79 : x
  2. Step 2: Convert to fraction form
    2,801.97/4,194.79 = 2,183.79/x
  3. Step 3: Cross multiply
    2,801.97x = 4,194.79 × 2,183.79
  4. Step 4: Simplify right side
    2,801.97x = 9,160,515.33
  5. Step 5: Solve for x
    x = 9,160,515.33/2,801.97
  6. Step 6: Final answer
    x = 3,269.32

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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.