Home / 4,912.12-6,778.34-3,023.16

Finding the Fourth Proportional to 4,912.12, 6,778.34 and 3,023.16

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Solution

The fourth proportional to 4,912.12, 6,778.34 and 3,023.16 is: 4,171.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.12 : 6,778.34 = 3,023.16 : x
  2. Step 2: Convert to fraction form
    4,912.12/6,778.34 = 3,023.16/x
  3. Step 3: Cross multiply
    4,912.12x = 6,778.34 × 3,023.16
  4. Step 4: Simplify right side
    4,912.12x = 20,492,006.35
  5. Step 5: Solve for x
    x = 20,492,006.35/4,912.12
  6. Step 6: Final answer
    x = 4,171.72

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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.