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Finding the Fourth Proportional to 2,241.99, 3,093.90 and 1,247.22

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Solution

The fourth proportional to 2,241.99, 3,093.90 and 1,247.22 is: 1,721.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241.99 : 3,093.90 = 1,247.22 : x
  2. Step 2: Convert to fraction form
    2,241.99/3,093.90 = 1,247.22/x
  3. Step 3: Cross multiply
    2,241.99x = 3,093.90 × 1,247.22
  4. Step 4: Simplify right side
    2,241.99x = 3,858,773.96
  5. Step 5: Solve for x
    x = 3,858,773.96/2,241.99
  6. Step 6: Final answer
    x = 1,721.14

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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.