Home / 6,979.96-10,462.42-2,817.83

Finding the Fourth Proportional to 6,979.96, 10,462.42 and 2,817.83

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Solution

The fourth proportional to 6,979.96, 10,462.42 and 2,817.83 is: 4,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.96 : 10,462.42 = 2,817.83 : x
  2. Step 2: Convert to fraction form
    6,979.96/10,462.42 = 2,817.83/x
  3. Step 3: Cross multiply
    6,979.96x = 10,462.42 × 2,817.83
  4. Step 4: Simplify right side
    6,979.96x = 29,481,272.16
  5. Step 5: Solve for x
    x = 29,481,272.16/6,979.96
  6. Step 6: Final answer
    x = 4,223.70

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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.