Home / 2,621.54-3,932.90-1,161.11

Finding the Fourth Proportional to 2,621.54, 3,932.90 and 1,161.11

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Solution

The fourth proportional to 2,621.54, 3,932.90 and 1,161.11 is: 1,741.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.54 : 3,932.90 = 1,161.11 : x
  2. Step 2: Convert to fraction form
    2,621.54/3,932.90 = 1,161.11/x
  3. Step 3: Cross multiply
    2,621.54x = 3,932.90 × 1,161.11
  4. Step 4: Simplify right side
    2,621.54x = 4,566,504.05
  5. Step 5: Solve for x
    x = 4,566,504.05/2,621.54
  6. Step 6: Final answer
    x = 1,741.92

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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.