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Finding the Fourth Proportional to 3,766.90, 5,197.97 and 2,088.22

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Solution

The fourth proportional to 3,766.90, 5,197.97 and 2,088.22 is: 2,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.90 : 5,197.97 = 2,088.22 : x
  2. Step 2: Convert to fraction form
    3,766.90/5,197.97 = 2,088.22/x
  3. Step 3: Cross multiply
    3,766.90x = 5,197.97 × 2,088.22
  4. Step 4: Simplify right side
    3,766.90x = 10,854,508.80
  5. Step 5: Solve for x
    x = 10,854,508.80/3,766.90
  6. Step 6: Final answer
    x = 2,881.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.