Home / 2,733.12-4,098.72-1,193.28

Finding the Fourth Proportional to 2,733.12, 4,098.72 and 1,193.28

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Solution

The fourth proportional to 2,733.12, 4,098.72 and 1,193.28 is: 1,789.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.12 : 4,098.72 = 1,193.28 : x
  2. Step 2: Convert to fraction form
    2,733.12/4,098.72 = 1,193.28/x
  3. Step 3: Cross multiply
    2,733.12x = 4,098.72 × 1,193.28
  4. Step 4: Simplify right side
    2,733.12x = 4,890,920.60
  5. Step 5: Solve for x
    x = 4,890,920.60/2,733.12
  6. Step 6: Final answer
    x = 1,789.50

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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.