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Finding the Fourth Proportional to 2,197.25, 3,295.87 and 881.59

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Solution

The fourth proportional to 2,197.25, 3,295.87 and 881.59 is: 1,322.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.25 : 3,295.87 = 881.59 : x
  2. Step 2: Convert to fraction form
    2,197.25/3,295.87 = 881.59/x
  3. Step 3: Cross multiply
    2,197.25x = 3,295.87 × 881.59
  4. Step 4: Simplify right side
    2,197.25x = 2,905,607.95
  5. Step 5: Solve for x
    x = 2,905,607.95/2,197.25
  6. Step 6: Final answer
    x = 1,322.38

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Similar ratio
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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.