Home / 6,932.49-10,398.78-2,772.85

Finding the Fourth Proportional to 6,932.49, 10,398.78 and 2,772.85

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Solution

The fourth proportional to 6,932.49, 10,398.78 and 2,772.85 is: 4,159.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,932.49 : 10,398.78 = 2,772.85 : x
  2. Step 2: Convert to fraction form
    6,932.49/10,398.78 = 2,772.85/x
  3. Step 3: Cross multiply
    6,932.49x = 10,398.78 × 2,772.85
  4. Step 4: Simplify right side
    6,932.49x = 28,834,257.12
  5. Step 5: Solve for x
    x = 28,834,257.12/6,932.49
  6. Step 6: Final answer
    x = 4,159.29

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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.