Home / 6,890.68-10,340.16-2,508.04

Finding the Fourth Proportional to 6,890.68, 10,340.16 and 2,508.04

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Solution

The fourth proportional to 6,890.68, 10,340.16 and 2,508.04 is: 3,763.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.68 : 10,340.16 = 2,508.04 : x
  2. Step 2: Convert to fraction form
    6,890.68/10,340.16 = 2,508.04/x
  3. Step 3: Cross multiply
    6,890.68x = 10,340.16 × 2,508.04
  4. Step 4: Simplify right side
    6,890.68x = 25,933,534.89
  5. Step 5: Solve for x
    x = 25,933,534.89/6,890.68
  6. Step 6: Final answer
    x = 3,763.57

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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.