Home / 6,939.52-10,407.68-2,008

Finding the Fourth Proportional to 6,939.52, 10,407.68 and 2,008

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Solution

The fourth proportional to 6,939.52, 10,407.68 and 2,008 is: 3,011.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.52 : 10,407.68 = 2,008 : x
  2. Step 2: Convert to fraction form
    6,939.52/10,407.68 = 2,008/x
  3. Step 3: Cross multiply
    6,939.52x = 10,407.68 × 2,008
  4. Step 4: Simplify right side
    6,939.52x = 20,898,621.44
  5. Step 5: Solve for x
    x = 20,898,621.44/6,939.52
  6. Step 6: Final answer
    x = 3,011.54

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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.