Home / 6,721.32-10,084.13-2,774.43

Finding the Fourth Proportional to 6,721.32, 10,084.13 and 2,774.43

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Solution

The fourth proportional to 6,721.32, 10,084.13 and 2,774.43 is: 4,162.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.32 : 10,084.13 = 2,774.43 : x
  2. Step 2: Convert to fraction form
    6,721.32/10,084.13 = 2,774.43/x
  3. Step 3: Cross multiply
    6,721.32x = 10,084.13 × 2,774.43
  4. Step 4: Simplify right side
    6,721.32x = 27,977,712.80
  5. Step 5: Solve for x
    x = 27,977,712.80/6,721.32
  6. Step 6: Final answer
    x = 4,162.53

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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.