Home / 6,939.68-9,576.56-3,795.66

Finding the Fourth Proportional to 6,939.68, 9,576.56 and 3,795.66

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Solution

The fourth proportional to 6,939.68, 9,576.56 and 3,795.66 is: 5,237.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.68 : 9,576.56 = 3,795.66 : x
  2. Step 2: Convert to fraction form
    6,939.68/9,576.56 = 3,795.66/x
  3. Step 3: Cross multiply
    6,939.68x = 9,576.56 × 3,795.66
  4. Step 4: Simplify right side
    6,939.68x = 36,349,346.75
  5. Step 5: Solve for x
    x = 36,349,346.75/6,939.68
  6. Step 6: Final answer
    x = 5,237.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.