Home / 3,231.68-4,841.33-2,186.55

Finding the Fourth Proportional to 3,231.68, 4,841.33 and 2,186.55

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Solution

The fourth proportional to 3,231.68, 4,841.33 and 2,186.55 is: 3,275.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.68 : 4,841.33 = 2,186.55 : x
  2. Step 2: Convert to fraction form
    3,231.68/4,841.33 = 2,186.55/x
  3. Step 3: Cross multiply
    3,231.68x = 4,841.33 × 2,186.55
  4. Step 4: Simplify right side
    3,231.68x = 10,585,799.18
  5. Step 5: Solve for x
    x = 10,585,799.18/3,231.68
  6. Step 6: Final answer
    x = 3,275.64

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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.