Home / 4,120.37-6,179.94-1,347.33

Finding the Fourth Proportional to 4,120.37, 6,179.94 and 1,347.33

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Solution

The fourth proportional to 4,120.37, 6,179.94 and 1,347.33 is: 2,020.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.37 : 6,179.94 = 1,347.33 : x
  2. Step 2: Convert to fraction form
    4,120.37/6,179.94 = 1,347.33/x
  3. Step 3: Cross multiply
    4,120.37x = 6,179.94 × 1,347.33
  4. Step 4: Simplify right side
    4,120.37x = 8,326,418.56
  5. Step 5: Solve for x
    x = 8,326,418.56/4,120.37
  6. Step 6: Final answer
    x = 2,020.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.