Home / 2,722.26-4,091.64-1,800.96

Finding the Fourth Proportional to 2,722.26, 4,091.64 and 1,800.96

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Solution

The fourth proportional to 2,722.26, 4,091.64 and 1,800.96 is: 2,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.26 : 4,091.64 = 1,800.96 : x
  2. Step 2: Convert to fraction form
    2,722.26/4,091.64 = 1,800.96/x
  3. Step 3: Cross multiply
    2,722.26x = 4,091.64 × 1,800.96
  4. Step 4: Simplify right side
    2,722.26x = 7,368,879.97
  5. Step 5: Solve for x
    x = 7,368,879.97/2,722.26
  6. Step 6: Final answer
    x = 2,706.90

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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.