Home / 6,078.97-8,389.26-3,426.49

Finding the Fourth Proportional to 6,078.97, 8,389.26 and 3,426.49

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Solution

The fourth proportional to 6,078.97, 8,389.26 and 3,426.49 is: 4,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.97 : 8,389.26 = 3,426.49 : x
  2. Step 2: Convert to fraction form
    6,078.97/8,389.26 = 3,426.49/x
  3. Step 3: Cross multiply
    6,078.97x = 8,389.26 × 3,426.49
  4. Step 4: Simplify right side
    6,078.97x = 28,745,656.42
  5. Step 5: Solve for x
    x = 28,745,656.42/6,078.97
  6. Step 6: Final answer
    x = 4,728.71

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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.