Home / 5,879.57-8,115.05-3,523.07

Finding the Fourth Proportional to 5,879.57, 8,115.05 and 3,523.07

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Solution

The fourth proportional to 5,879.57, 8,115.05 and 3,523.07 is: 4,862.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.57 : 8,115.05 = 3,523.07 : x
  2. Step 2: Convert to fraction form
    5,879.57/8,115.05 = 3,523.07/x
  3. Step 3: Cross multiply
    5,879.57x = 8,115.05 × 3,523.07
  4. Step 4: Simplify right side
    5,879.57x = 28,589,918.30
  5. Step 5: Solve for x
    x = 28,589,918.30/5,879.57
  6. Step 6: Final answer
    x = 4,862.59

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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.