Home / 3,178.53-4,382.78-2,058.03

Finding the Fourth Proportional to 3,178.53, 4,382.78 and 2,058.03

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Solution

The fourth proportional to 3,178.53, 4,382.78 and 2,058.03 is: 2,837.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.53 : 4,382.78 = 2,058.03 : x
  2. Step 2: Convert to fraction form
    3,178.53/4,382.78 = 2,058.03/x
  3. Step 3: Cross multiply
    3,178.53x = 4,382.78 × 2,058.03
  4. Step 4: Simplify right side
    3,178.53x = 9,019,882.43
  5. Step 5: Solve for x
    x = 9,019,882.43/3,178.53
  6. Step 6: Final answer
    x = 2,837.75

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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.