Home / 6,891.35-10,340.42-2,734.33

Finding the Fourth Proportional to 6,891.35, 10,340.42 and 2,734.33

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Solution

The fourth proportional to 6,891.35, 10,340.42 and 2,734.33 is: 4,102.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.35 : 10,340.42 = 2,734.33 : x
  2. Step 2: Convert to fraction form
    6,891.35/10,340.42 = 2,734.33/x
  3. Step 3: Cross multiply
    6,891.35x = 10,340.42 × 2,734.33
  4. Step 4: Simplify right side
    6,891.35x = 28,274,055.24
  5. Step 5: Solve for x
    x = 28,274,055.24/6,891.35
  6. Step 6: Final answer
    x = 4,102.83

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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.