Home / 5,720.72-8,570.19-3,257.24

Finding the Fourth Proportional to 5,720.72, 8,570.19 and 3,257.24

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Solution

The fourth proportional to 5,720.72, 8,570.19 and 3,257.24 is: 4,879.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.72 : 8,570.19 = 3,257.24 : x
  2. Step 2: Convert to fraction form
    5,720.72/8,570.19 = 3,257.24/x
  3. Step 3: Cross multiply
    5,720.72x = 8,570.19 × 3,257.24
  4. Step 4: Simplify right side
    5,720.72x = 27,915,165.68
  5. Step 5: Solve for x
    x = 27,915,165.68/5,720.72
  6. Step 6: Final answer
    x = 4,879.66

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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.