Home / 3,767.60-5,198.16-2,195.36

Finding the Fourth Proportional to 3,767.60, 5,198.16 and 2,195.36

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Solution

The fourth proportional to 3,767.60, 5,198.16 and 2,195.36 is: 3,028.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.60 : 5,198.16 = 2,195.36 : x
  2. Step 2: Convert to fraction form
    3,767.60/5,198.16 = 2,195.36/x
  3. Step 3: Cross multiply
    3,767.60x = 5,198.16 × 2,195.36
  4. Step 4: Simplify right side
    3,767.60x = 11,411,832.54
  5. Step 5: Solve for x
    x = 11,411,832.54/3,767.60
  6. Step 6: Final answer
    x = 3,028.94

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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.