Home / 3,201.48-4,418.10-1,876.14

Finding the Fourth Proportional to 3,201.48, 4,418.10 and 1,876.14

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Solution

The fourth proportional to 3,201.48, 4,418.10 and 1,876.14 is: 2,589.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.48 : 4,418.10 = 1,876.14 : x
  2. Step 2: Convert to fraction form
    3,201.48/4,418.10 = 1,876.14/x
  3. Step 3: Cross multiply
    3,201.48x = 4,418.10 × 1,876.14
  4. Step 4: Simplify right side
    3,201.48x = 8,288,974.13
  5. Step 5: Solve for x
    x = 8,288,974.13/3,201.48
  6. Step 6: Final answer
    x = 2,589.11

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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.