Home / 3,238.24-4,858.12-1,046.78

Finding the Fourth Proportional to 3,238.24, 4,858.12 and 1,046.78

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Solution

The fourth proportional to 3,238.24, 4,858.12 and 1,046.78 is: 1,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.24 : 4,858.12 = 1,046.78 : x
  2. Step 2: Convert to fraction form
    3,238.24/4,858.12 = 1,046.78/x
  3. Step 3: Cross multiply
    3,238.24x = 4,858.12 × 1,046.78
  4. Step 4: Simplify right side
    3,238.24x = 5,085,382.85
  5. Step 5: Solve for x
    x = 5,085,382.85/3,238.24
  6. Step 6: Final answer
    x = 1,570.42

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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.