Home / 5,198.91-7,175.00-2,961.51

Finding the Fourth Proportional to 5,198.91, 7,175.00 and 2,961.51

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Solution

The fourth proportional to 5,198.91, 7,175.00 and 2,961.51 is: 4,087.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.91 : 7,175.00 = 2,961.51 : x
  2. Step 2: Convert to fraction form
    5,198.91/7,175.00 = 2,961.51/x
  3. Step 3: Cross multiply
    5,198.91x = 7,175.00 × 2,961.51
  4. Step 4: Simplify right side
    5,198.91x = 21,248,819.44
  5. Step 5: Solve for x
    x = 21,248,819.44/5,198.91
  6. Step 6: Final answer
    x = 4,087.17

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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.