Home / 2,107.41-2,908.20-1,163.22

Finding the Fourth Proportional to 2,107.41, 2,908.20 and 1,163.22

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Solution

The fourth proportional to 2,107.41, 2,908.20 and 1,163.22 is: 1,605.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.41 : 2,908.20 = 1,163.22 : x
  2. Step 2: Convert to fraction form
    2,107.41/2,908.20 = 1,163.22/x
  3. Step 3: Cross multiply
    2,107.41x = 2,908.20 × 1,163.22
  4. Step 4: Simplify right side
    2,107.41x = 3,382,876.40
  5. Step 5: Solve for x
    x = 3,382,876.40/2,107.41
  6. Step 6: Final answer
    x = 1,605.23

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1.5x scale

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.