Home / 3,029.52-4,183.47-1,912.44

Finding the Fourth Proportional to 3,029.52, 4,183.47 and 1,912.44

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Solution

The fourth proportional to 3,029.52, 4,183.47 and 1,912.44 is: 2,640.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.52 : 4,183.47 = 1,912.44 : x
  2. Step 2: Convert to fraction form
    3,029.52/4,183.47 = 1,912.44/x
  3. Step 3: Cross multiply
    3,029.52x = 4,183.47 × 1,912.44
  4. Step 4: Simplify right side
    3,029.52x = 8,000,635.37
  5. Step 5: Solve for x
    x = 8,000,635.37/3,029.52
  6. Step 6: Final answer
    x = 2,640.89

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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.