Home / 6,905.68-9,529.82-3,761.87

Finding the Fourth Proportional to 6,905.68, 9,529.82 and 3,761.87

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Solution

The fourth proportional to 6,905.68, 9,529.82 and 3,761.87 is: 5,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.68 : 9,529.82 = 3,761.87 : x
  2. Step 2: Convert to fraction form
    6,905.68/9,529.82 = 3,761.87/x
  3. Step 3: Cross multiply
    6,905.68x = 9,529.82 × 3,761.87
  4. Step 4: Simplify right side
    6,905.68x = 35,849,905.72
  5. Step 5: Solve for x
    x = 35,849,905.72/6,905.68
  6. Step 6: Final answer
    x = 5,191.37

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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.