Home / 3,874.06-5,345.55-2,195.12

Finding the Fourth Proportional to 3,874.06, 5,345.55 and 2,195.12

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Solution

The fourth proportional to 3,874.06, 5,345.55 and 2,195.12 is: 3,028.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.06 : 5,345.55 = 2,195.12 : x
  2. Step 2: Convert to fraction form
    3,874.06/5,345.55 = 2,195.12/x
  3. Step 3: Cross multiply
    3,874.06x = 5,345.55 × 2,195.12
  4. Step 4: Simplify right side
    3,874.06x = 11,734,126.10
  5. Step 5: Solve for x
    x = 11,734,126.10/3,874.06
  6. Step 6: Final answer
    x = 3,028.89

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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.