Home / 6,255.75-8,632.78-3,423.14

Finding the Fourth Proportional to 6,255.75, 8,632.78 and 3,423.14

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Solution

The fourth proportional to 6,255.75, 8,632.78 and 3,423.14 is: 4,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,255.75 : 8,632.78 = 3,423.14 : x
  2. Step 2: Convert to fraction form
    6,255.75/8,632.78 = 3,423.14/x
  3. Step 3: Cross multiply
    6,255.75x = 8,632.78 × 3,423.14
  4. Step 4: Simplify right side
    6,255.75x = 29,551,214.53
  5. Step 5: Solve for x
    x = 29,551,214.53/6,255.75
  6. Step 6: Final answer
    x = 4,723.85

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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.