Home / 3,728.33-5,144.77-2,195.09

Finding the Fourth Proportional to 3,728.33, 5,144.77 and 2,195.09

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Solution

The fourth proportional to 3,728.33, 5,144.77 and 2,195.09 is: 3,029.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.33 : 5,144.77 = 2,195.09 : x
  2. Step 2: Convert to fraction form
    3,728.33/5,144.77 = 2,195.09/x
  3. Step 3: Cross multiply
    3,728.33x = 5,144.77 × 2,195.09
  4. Step 4: Simplify right side
    3,728.33x = 11,293,233.18
  5. Step 5: Solve for x
    x = 11,293,233.18/3,728.33
  6. Step 6: Final answer
    x = 3,029.03

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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.