Home / 3,767.18-5,198.91-2,195.18

Finding the Fourth Proportional to 3,767.18, 5,198.91 and 2,195.18

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Solution

The fourth proportional to 3,767.18, 5,198.91 and 2,195.18 is: 3,029.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.18 : 5,198.91 = 2,195.18 : x
  2. Step 2: Convert to fraction form
    3,767.18/5,198.91 = 2,195.18/x
  3. Step 3: Cross multiply
    3,767.18x = 5,198.91 × 2,195.18
  4. Step 4: Simplify right side
    3,767.18x = 11,412,543.25
  5. Step 5: Solve for x
    x = 11,412,543.25/3,767.18
  6. Step 6: Final answer
    x = 3,029.47

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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.