Home / 2,149.33-3,231.28-1,716.11

Finding the Fourth Proportional to 2,149.33, 3,231.28 and 1,716.11

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Solution

The fourth proportional to 2,149.33, 3,231.28 and 1,716.11 is: 2,579.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.33 : 3,231.28 = 1,716.11 : x
  2. Step 2: Convert to fraction form
    2,149.33/3,231.28 = 1,716.11/x
  3. Step 3: Cross multiply
    2,149.33x = 3,231.28 × 1,716.11
  4. Step 4: Simplify right side
    2,149.33x = 5,545,227.63
  5. Step 5: Solve for x
    x = 5,545,227.63/2,149.33
  6. Step 6: Final answer
    x = 2,579.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.