Home / 3,020.68-4,168.38-1,694.48

Finding the Fourth Proportional to 3,020.68, 4,168.38 and 1,694.48

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Solution

The fourth proportional to 3,020.68, 4,168.38 and 1,694.48 is: 2,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.68 : 4,168.38 = 1,694.48 : x
  2. Step 2: Convert to fraction form
    3,020.68/4,168.38 = 1,694.48/x
  3. Step 3: Cross multiply
    3,020.68x = 4,168.38 × 1,694.48
  4. Step 4: Simplify right side
    3,020.68x = 7,063,236.54
  5. Step 5: Solve for x
    x = 7,063,236.54/3,020.68
  6. Step 6: Final answer
    x = 2,338.29

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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.