Home / 5,249.08-7,876.37-3,399.72

Finding the Fourth Proportional to 5,249.08, 7,876.37 and 3,399.72

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Solution

The fourth proportional to 5,249.08, 7,876.37 and 3,399.72 is: 5,101.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.08 : 7,876.37 = 3,399.72 : x
  2. Step 2: Convert to fraction form
    5,249.08/7,876.37 = 3,399.72/x
  3. Step 3: Cross multiply
    5,249.08x = 7,876.37 × 3,399.72
  4. Step 4: Simplify right side
    5,249.08x = 26,777,452.62
  5. Step 5: Solve for x
    x = 26,777,452.62/5,249.08
  6. Step 6: Final answer
    x = 5,101.36

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1.5x scale

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.