Home / 2,200.57-3,299.72-1,161.13

Finding the Fourth Proportional to 2,200.57, 3,299.72 and 1,161.13

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Solution

The fourth proportional to 2,200.57, 3,299.72 and 1,161.13 is: 1,741.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.57 : 3,299.72 = 1,161.13 : x
  2. Step 2: Convert to fraction form
    2,200.57/3,299.72 = 1,161.13/x
  3. Step 3: Cross multiply
    2,200.57x = 3,299.72 × 1,161.13
  4. Step 4: Simplify right side
    2,200.57x = 3,831,403.88
  5. Step 5: Solve for x
    x = 3,831,403.88/2,200.57
  6. Step 6: Final answer
    x = 1,741.10

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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.