Home / 3,943.33-5,441.82-2,174.91

Finding the Fourth Proportional to 3,943.33, 5,441.82 and 2,174.91

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Solution

The fourth proportional to 3,943.33, 5,441.82 and 2,174.91 is: 3,001.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.33 : 5,441.82 = 2,174.91 : x
  2. Step 2: Convert to fraction form
    3,943.33/5,441.82 = 2,174.91/x
  3. Step 3: Cross multiply
    3,943.33x = 5,441.82 × 2,174.91
  4. Step 4: Simplify right side
    3,943.33x = 11,835,468.74
  5. Step 5: Solve for x
    x = 11,835,468.74/3,943.33
  6. Step 6: Final answer
    x = 3,001.39

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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.