Home / 3,163.10-4,366.14-2,171.24

Finding the Fourth Proportional to 3,163.10, 4,366.14 and 2,171.24

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Solution

The fourth proportional to 3,163.10, 4,366.14 and 2,171.24 is: 2,997.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.10 : 4,366.14 = 2,171.24 : x
  2. Step 2: Convert to fraction form
    3,163.10/4,366.14 = 2,171.24/x
  3. Step 3: Cross multiply
    3,163.10x = 4,366.14 × 2,171.24
  4. Step 4: Simplify right side
    3,163.10x = 9,479,937.81
  5. Step 5: Solve for x
    x = 9,479,937.81/3,163.10
  6. Step 6: Final answer
    x = 2,997.04

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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.