Home / 3,081.60-4,618.51-1,766.44

Finding the Fourth Proportional to 3,081.60, 4,618.51 and 1,766.44

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Solution

The fourth proportional to 3,081.60, 4,618.51 and 1,766.44 is: 2,647.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.60 : 4,618.51 = 1,766.44 : x
  2. Step 2: Convert to fraction form
    3,081.60/4,618.51 = 1,766.44/x
  3. Step 3: Cross multiply
    3,081.60x = 4,618.51 × 1,766.44
  4. Step 4: Simplify right side
    3,081.60x = 8,158,320.80
  5. Step 5: Solve for x
    x = 8,158,320.80/3,081.60
  6. Step 6: Final answer
    x = 2,647.43

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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.