Home / 6,979.41-10,471.15-2,817.29

Finding the Fourth Proportional to 6,979.41, 10,471.15 and 2,817.29

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Solution

The fourth proportional to 6,979.41, 10,471.15 and 2,817.29 is: 4,226.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.41 : 10,471.15 = 2,817.29 : x
  2. Step 2: Convert to fraction form
    6,979.41/10,471.15 = 2,817.29/x
  3. Step 3: Cross multiply
    6,979.41x = 10,471.15 × 2,817.29
  4. Step 4: Simplify right side
    6,979.41x = 29,500,266.18
  5. Step 5: Solve for x
    x = 29,500,266.18/6,979.41
  6. Step 6: Final answer
    x = 4,226.76

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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.