Home / 3,579.19-4,939.38-2,007.38

Finding the Fourth Proportional to 3,579.19, 4,939.38 and 2,007.38

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Solution

The fourth proportional to 3,579.19, 4,939.38 and 2,007.38 is: 2,770.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.19 : 4,939.38 = 2,007.38 : x
  2. Step 2: Convert to fraction form
    3,579.19/4,939.38 = 2,007.38/x
  3. Step 3: Cross multiply
    3,579.19x = 4,939.38 × 2,007.38
  4. Step 4: Simplify right side
    3,579.19x = 9,915,224.97
  5. Step 5: Solve for x
    x = 9,915,224.97/3,579.19
  6. Step 6: Final answer
    x = 2,770.24

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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.