Home / 6,106.25-8,426.63-3,311.75

Finding the Fourth Proportional to 6,106.25, 8,426.63 and 3,311.75

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Solution

The fourth proportional to 6,106.25, 8,426.63 and 3,311.75 is: 4,570.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,106.25 : 8,426.63 = 3,311.75 : x
  2. Step 2: Convert to fraction form
    6,106.25/8,426.63 = 3,311.75/x
  3. Step 3: Cross multiply
    6,106.25x = 8,426.63 × 3,311.75
  4. Step 4: Simplify right side
    6,106.25x = 27,906,891.90
  5. Step 5: Solve for x
    x = 27,906,891.90/6,106.25
  6. Step 6: Final answer
    x = 4,570.22

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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.