Home / 6,122.05-8,448.60-3,469.37

Finding the Fourth Proportional to 6,122.05, 8,448.60 and 3,469.37

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Solution

The fourth proportional to 6,122.05, 8,448.60 and 3,469.37 is: 4,787.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.05 : 8,448.60 = 3,469.37 : x
  2. Step 2: Convert to fraction form
    6,122.05/8,448.60 = 3,469.37/x
  3. Step 3: Cross multiply
    6,122.05x = 8,448.60 × 3,469.37
  4. Step 4: Simplify right side
    6,122.05x = 29,311,290.15
  5. Step 5: Solve for x
    x = 29,311,290.15/6,122.05
  6. Step 6: Final answer
    x = 4,787.82

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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.