Home / 3,943.29-5,443.97-2,618.81

Finding the Fourth Proportional to 3,943.29, 5,443.97 and 2,618.81

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Solution

The fourth proportional to 3,943.29, 5,443.97 and 2,618.81 is: 3,615.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.29 : 5,443.97 = 2,618.81 : x
  2. Step 2: Convert to fraction form
    3,943.29/5,443.97 = 2,618.81/x
  3. Step 3: Cross multiply
    3,943.29x = 5,443.97 × 2,618.81
  4. Step 4: Simplify right side
    3,943.29x = 14,256,723.08
  5. Step 5: Solve for x
    x = 14,256,723.08/3,943.29
  6. Step 6: Final answer
    x = 3,615.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.