Home / 3,108.73-4,664.30-1,161.08

Finding the Fourth Proportional to 3,108.73, 4,664.30 and 1,161.08

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Solution

The fourth proportional to 3,108.73, 4,664.30 and 1,161.08 is: 1,742.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.73 : 4,664.30 = 1,161.08 : x
  2. Step 2: Convert to fraction form
    3,108.73/4,664.30 = 1,161.08/x
  3. Step 3: Cross multiply
    3,108.73x = 4,664.30 × 1,161.08
  4. Step 4: Simplify right side
    3,108.73x = 5,415,625.44
  5. Step 5: Solve for x
    x = 5,415,625.44/3,108.73
  6. Step 6: Final answer
    x = 1,742.07

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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.