Home / 2,247.29-3,371.28-786.33

Finding the Fourth Proportional to 2,247.29, 3,371.28 and 786.33

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Solution

The fourth proportional to 2,247.29, 3,371.28 and 786.33 is: 1,179.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.29 : 3,371.28 = 786.33 : x
  2. Step 2: Convert to fraction form
    2,247.29/3,371.28 = 786.33/x
  3. Step 3: Cross multiply
    2,247.29x = 3,371.28 × 786.33
  4. Step 4: Simplify right side
    2,247.29x = 2,650,935.65
  5. Step 5: Solve for x
    x = 2,650,935.65/2,247.29
  6. Step 6: Final answer
    x = 1,179.62

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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.