Home / 3,167.40-4,372.50-2,361.87

Finding the Fourth Proportional to 3,167.40, 4,372.50 and 2,361.87

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Solution

The fourth proportional to 3,167.40, 4,372.50 and 2,361.87 is: 3,260.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.40 : 4,372.50 = 2,361.87 : x
  2. Step 2: Convert to fraction form
    3,167.40/4,372.50 = 2,361.87/x
  3. Step 3: Cross multiply
    3,167.40x = 4,372.50 × 2,361.87
  4. Step 4: Simplify right side
    3,167.40x = 10,327,276.58
  5. Step 5: Solve for x
    x = 10,327,276.58/3,167.40
  6. Step 6: Final answer
    x = 3,260.49

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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.