Home / 7,179.46-10,772.13-2,799.94

Finding the Fourth Proportional to 7,179.46, 10,772.13 and 2,799.94

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Solution

The fourth proportional to 7,179.46, 10,772.13 and 2,799.94 is: 4,201.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.46 : 10,772.13 = 2,799.94 : x
  2. Step 2: Convert to fraction form
    7,179.46/10,772.13 = 2,799.94/x
  3. Step 3: Cross multiply
    7,179.46x = 10,772.13 × 2,799.94
  4. Step 4: Simplify right side
    7,179.46x = 30,161,317.67
  5. Step 5: Solve for x
    x = 30,161,317.67/7,179.46
  6. Step 6: Final answer
    x = 4,201.06

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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.