Home / 3,841.90-5,753.09-2,195.57

Finding the Fourth Proportional to 3,841.90, 5,753.09 and 2,195.57

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Solution

The fourth proportional to 3,841.90, 5,753.09 and 2,195.57 is: 3,287.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.90 : 5,753.09 = 2,195.57 : x
  2. Step 2: Convert to fraction form
    3,841.90/5,753.09 = 2,195.57/x
  3. Step 3: Cross multiply
    3,841.90x = 5,753.09 × 2,195.57
  4. Step 4: Simplify right side
    3,841.90x = 12,631,331.68
  5. Step 5: Solve for x
    x = 12,631,331.68/3,841.90
  6. Step 6: Final answer
    x = 3,287.78

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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.