Home / 6,979.91-10,471.41-2,049.57

Finding the Fourth Proportional to 6,979.91, 10,471.41 and 2,049.57

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Solution

The fourth proportional to 6,979.91, 10,471.41 and 2,049.57 is: 3,074.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.91 : 10,471.41 = 2,049.57 : x
  2. Step 2: Convert to fraction form
    6,979.91/10,471.41 = 2,049.57/x
  3. Step 3: Cross multiply
    6,979.91x = 10,471.41 × 2,049.57
  4. Step 4: Simplify right side
    6,979.91x = 21,461,887.79
  5. Step 5: Solve for x
    x = 21,461,887.79/6,979.91
  6. Step 6: Final answer
    x = 3,074.81

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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.