Home / 2,928.14-4,033.92-2,042.36

Finding the Fourth Proportional to 2,928.14, 4,033.92 and 2,042.36

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Solution

The fourth proportional to 2,928.14, 4,033.92 and 2,042.36 is: 2,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.14 : 4,033.92 = 2,042.36 : x
  2. Step 2: Convert to fraction form
    2,928.14/4,033.92 = 2,042.36/x
  3. Step 3: Cross multiply
    2,928.14x = 4,033.92 × 2,042.36
  4. Step 4: Simplify right side
    2,928.14x = 8,238,716.85
  5. Step 5: Solve for x
    x = 8,238,716.85/2,928.14
  6. Step 6: Final answer
    x = 2,813.63

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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.