Home / 5,695.10-8,542.77-2,185.22

Finding the Fourth Proportional to 5,695.10, 8,542.77 and 2,185.22

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Solution

The fourth proportional to 5,695.10, 8,542.77 and 2,185.22 is: 3,277.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.10 : 8,542.77 = 2,185.22 : x
  2. Step 2: Convert to fraction form
    5,695.10/8,542.77 = 2,185.22/x
  3. Step 3: Cross multiply
    5,695.10x = 8,542.77 × 2,185.22
  4. Step 4: Simplify right side
    5,695.10x = 18,667,831.86
  5. Step 5: Solve for x
    x = 18,667,831.86/5,695.10
  6. Step 6: Final answer
    x = 3,277.88

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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.