Home / 2,241.75-3,340.91-2,125.11

Finding the Fourth Proportional to 2,241.75, 3,340.91 and 2,125.11

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Solution

The fourth proportional to 2,241.75, 3,340.91 and 2,125.11 is: 3,167.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241.75 : 3,340.91 = 2,125.11 : x
  2. Step 2: Convert to fraction form
    2,241.75/3,340.91 = 2,125.11/x
  3. Step 3: Cross multiply
    2,241.75x = 3,340.91 × 2,125.11
  4. Step 4: Simplify right side
    2,241.75x = 7,099,801.25
  5. Step 5: Solve for x
    x = 7,099,801.25/2,241.75
  6. Step 6: Final answer
    x = 3,167.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.