Home / 6,905.80-9,529.94-3,761.96

Finding the Fourth Proportional to 6,905.80, 9,529.94 and 3,761.96

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Solution

The fourth proportional to 6,905.80, 9,529.94 and 3,761.96 is: 5,191.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.80 : 9,529.94 = 3,761.96 : x
  2. Step 2: Convert to fraction form
    6,905.80/9,529.94 = 3,761.96/x
  3. Step 3: Cross multiply
    6,905.80x = 9,529.94 × 3,761.96
  4. Step 4: Simplify right side
    6,905.80x = 35,851,253.08
  5. Step 5: Solve for x
    x = 35,851,253.08/6,905.80
  6. Step 6: Final answer
    x = 5,191.47

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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.