Home / 3,163.62-4,366.13-1,838.05

Finding the Fourth Proportional to 3,163.62, 4,366.13 and 1,838.05

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Solution

The fourth proportional to 3,163.62, 4,366.13 and 1,838.05 is: 2,536.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.62 : 4,366.13 = 1,838.05 : x
  2. Step 2: Convert to fraction form
    3,163.62/4,366.13 = 1,838.05/x
  3. Step 3: Cross multiply
    3,163.62x = 4,366.13 × 1,838.05
  4. Step 4: Simplify right side
    3,163.62x = 8,025,175.30
  5. Step 5: Solve for x
    x = 8,025,175.30/3,163.62
  6. Step 6: Final answer
    x = 2,536.71

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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.