Home / 3,941.13-5,912.66-1,205.13

Finding the Fourth Proportional to 3,941.13, 5,912.66 and 1,205.13

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Solution

The fourth proportional to 3,941.13, 5,912.66 and 1,205.13 is: 1,807.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.13 : 5,912.66 = 1,205.13 : x
  2. Step 2: Convert to fraction form
    3,941.13/5,912.66 = 1,205.13/x
  3. Step 3: Cross multiply
    3,941.13x = 5,912.66 × 1,205.13
  4. Step 4: Simplify right side
    3,941.13x = 7,125,523.95
  5. Step 5: Solve for x
    x = 7,125,523.95/3,941.13
  6. Step 6: Final answer
    x = 1,807.99

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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.