Home / 2,833.21-4,241.94-2,137.78

Finding the Fourth Proportional to 2,833.21, 4,241.94 and 2,137.78

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Solution

The fourth proportional to 2,833.21, 4,241.94 and 2,137.78 is: 3,200.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.21 : 4,241.94 = 2,137.78 : x
  2. Step 2: Convert to fraction form
    2,833.21/4,241.94 = 2,137.78/x
  3. Step 3: Cross multiply
    2,833.21x = 4,241.94 × 2,137.78
  4. Step 4: Simplify right side
    2,833.21x = 9,068,334.49
  5. Step 5: Solve for x
    x = 9,068,334.49/2,833.21
  6. Step 6: Final answer
    x = 3,200.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.