Home / 5,831.28-8,745.18-2,132.65

Finding the Fourth Proportional to 5,831.28, 8,745.18 and 2,132.65

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Solution

The fourth proportional to 5,831.28, 8,745.18 and 2,132.65 is: 3,198.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.28 : 8,745.18 = 2,132.65 : x
  2. Step 2: Convert to fraction form
    5,831.28/8,745.18 = 2,132.65/x
  3. Step 3: Cross multiply
    5,831.28x = 8,745.18 × 2,132.65
  4. Step 4: Simplify right side
    5,831.28x = 18,650,408.13
  5. Step 5: Solve for x
    x = 18,650,408.13/5,831.28
  6. Step 6: Final answer
    x = 3,198.34

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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.