Home / 6,990.14-10,481.96-2,606.42

Finding the Fourth Proportional to 6,990.14, 10,481.96 and 2,606.42

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Solution

The fourth proportional to 6,990.14, 10,481.96 and 2,606.42 is: 3,908.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.14 : 10,481.96 = 2,606.42 : x
  2. Step 2: Convert to fraction form
    6,990.14/10,481.96 = 2,606.42/x
  3. Step 3: Cross multiply
    6,990.14x = 10,481.96 × 2,606.42
  4. Step 4: Simplify right side
    6,990.14x = 27,320,324.74
  5. Step 5: Solve for x
    x = 27,320,324.74/6,990.14
  6. Step 6: Final answer
    x = 3,908.41

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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.