Home / 2,928.11-4,033.95-2,042.33

Finding the Fourth Proportional to 2,928.11, 4,033.95 and 2,042.33

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Solution

The fourth proportional to 2,928.11, 4,033.95 and 2,042.33 is: 2,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.11 : 4,033.95 = 2,042.33 : x
  2. Step 2: Convert to fraction form
    2,928.11/4,033.95 = 2,042.33/x
  3. Step 3: Cross multiply
    2,928.11x = 4,033.95 × 2,042.33
  4. Step 4: Simplify right side
    2,928.11x = 8,238,657.10
  5. Step 5: Solve for x
    x = 8,238,657.10/2,928.11
  6. Step 6: Final answer
    x = 2,813.64

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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.