Home / 6,121.76-8,448.02-3,327.26

Finding the Fourth Proportional to 6,121.76, 8,448.02 and 3,327.26

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Solution

The fourth proportional to 6,121.76, 8,448.02 and 3,327.26 is: 4,591.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.76 : 8,448.02 = 3,327.26 : x
  2. Step 2: Convert to fraction form
    6,121.76/8,448.02 = 3,327.26/x
  3. Step 3: Cross multiply
    6,121.76x = 8,448.02 × 3,327.26
  4. Step 4: Simplify right side
    6,121.76x = 28,108,778.86
  5. Step 5: Solve for x
    x = 28,108,778.86/6,121.76
  6. Step 6: Final answer
    x = 4,591.62

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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.