Home / 6,121.66-9,180.96-2,609.93

Finding the Fourth Proportional to 6,121.66, 9,180.96 and 2,609.93

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Solution

The fourth proportional to 6,121.66, 9,180.96 and 2,609.93 is: 3,914.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.66 : 9,180.96 = 2,609.93 : x
  2. Step 2: Convert to fraction form
    6,121.66/9,180.96 = 2,609.93/x
  3. Step 3: Cross multiply
    6,121.66x = 9,180.96 × 2,609.93
  4. Step 4: Simplify right side
    6,121.66x = 23,961,692.68
  5. Step 5: Solve for x
    x = 23,961,692.68/6,121.66
  6. Step 6: Final answer
    x = 3,914.25

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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.