Home / 6,922.78-10,377.99-2,539.22

Finding the Fourth Proportional to 6,922.78, 10,377.99 and 2,539.22

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Solution

The fourth proportional to 6,922.78, 10,377.99 and 2,539.22 is: 3,806.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.78 : 10,377.99 = 2,539.22 : x
  2. Step 2: Convert to fraction form
    6,922.78/10,377.99 = 2,539.22/x
  3. Step 3: Cross multiply
    6,922.78x = 10,377.99 × 2,539.22
  4. Step 4: Simplify right side
    6,922.78x = 26,351,947.88
  5. Step 5: Solve for x
    x = 26,351,947.88/6,922.78
  6. Step 6: Final answer
    x = 3,806.56

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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.