Home / 2,255.29-3,381.94-1,022.65

Finding the Fourth Proportional to 2,255.29, 3,381.94 and 1,022.65

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Solution

The fourth proportional to 2,255.29, 3,381.94 and 1,022.65 is: 1,533.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.29 : 3,381.94 = 1,022.65 : x
  2. Step 2: Convert to fraction form
    2,255.29/3,381.94 = 1,022.65/x
  3. Step 3: Cross multiply
    2,255.29x = 3,381.94 × 1,022.65
  4. Step 4: Simplify right side
    2,255.29x = 3,458,540.94
  5. Step 5: Solve for x
    x = 3,458,540.94/2,255.29
  6. Step 6: Final answer
    x = 1,533.52

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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.