Home / 3,163.93-4,361.25-2,167.49

Finding the Fourth Proportional to 3,163.93, 4,361.25 and 2,167.49

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Solution

The fourth proportional to 3,163.93, 4,361.25 and 2,167.49 is: 2,987.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.93 : 4,361.25 = 2,167.49 : x
  2. Step 2: Convert to fraction form
    3,163.93/4,361.25 = 2,167.49/x
  3. Step 3: Cross multiply
    3,163.93x = 4,361.25 × 2,167.49
  4. Step 4: Simplify right side
    3,163.93x = 9,452,984.79
  5. Step 5: Solve for x
    x = 9,452,984.79/3,163.93
  6. Step 6: Final answer
    x = 2,987.74

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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.