Home / 1,960.11-2,704.73-1,163.15

Finding the Fourth Proportional to 1,960.11, 2,704.73 and 1,163.15

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Solution

The fourth proportional to 1,960.11, 2,704.73 and 1,163.15 is: 1,605.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.11 : 2,704.73 = 1,163.15 : x
  2. Step 2: Convert to fraction form
    1,960.11/2,704.73 = 1,163.15/x
  3. Step 3: Cross multiply
    1,960.11x = 2,704.73 × 1,163.15
  4. Step 4: Simplify right side
    1,960.11x = 3,146,016.37
  5. Step 5: Solve for x
    x = 3,146,016.37/1,960.11
  6. Step 6: Final answer
    x = 1,605.02

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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.