Home / 3,943.26-5,441.96-2,174.88

Finding the Fourth Proportional to 3,943.26, 5,441.96 and 2,174.88

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Solution

The fourth proportional to 3,943.26, 5,441.96 and 2,174.88 is: 3,001.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.26 : 5,441.96 = 2,174.88 : x
  2. Step 2: Convert to fraction form
    3,943.26/5,441.96 = 2,174.88/x
  3. Step 3: Cross multiply
    3,943.26x = 5,441.96 × 2,174.88
  4. Step 4: Simplify right side
    3,943.26x = 11,835,599.09
  5. Step 5: Solve for x
    x = 11,835,599.09/3,943.26
  6. Step 6: Final answer
    x = 3,001.48

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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.