Home / 5,305.85-7,321.77-3,067.57

Finding the Fourth Proportional to 5,305.85, 7,321.77 and 3,067.57

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Solution

The fourth proportional to 5,305.85, 7,321.77 and 3,067.57 is: 4,233.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.85 : 7,321.77 = 3,067.57 : x
  2. Step 2: Convert to fraction form
    5,305.85/7,321.77 = 3,067.57/x
  3. Step 3: Cross multiply
    5,305.85x = 7,321.77 × 3,067.57
  4. Step 4: Simplify right side
    5,305.85x = 22,460,042.52
  5. Step 5: Solve for x
    x = 22,460,042.52/5,305.85
  6. Step 6: Final answer
    x = 4,233.07

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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.