Home / 6,121.44-8,447.60-3,326.94

Finding the Fourth Proportional to 6,121.44, 8,447.60 and 3,326.94

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Solution

The fourth proportional to 6,121.44, 8,447.60 and 3,326.94 is: 4,591.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.44 : 8,447.60 = 3,326.94 : x
  2. Step 2: Convert to fraction form
    6,121.44/8,447.60 = 3,326.94/x
  3. Step 3: Cross multiply
    6,121.44x = 8,447.60 × 3,326.94
  4. Step 4: Simplify right side
    6,121.44x = 28,104,658.34
  5. Step 5: Solve for x
    x = 28,104,658.34/6,121.44
  6. Step 6: Final answer
    x = 4,591.18

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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.