Home / 3,674.80-5,071.21-1,996.19

Finding the Fourth Proportional to 3,674.80, 5,071.21 and 1,996.19

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Solution

The fourth proportional to 3,674.80, 5,071.21 and 1,996.19 is: 2,754.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.80 : 5,071.21 = 1,996.19 : x
  2. Step 2: Convert to fraction form
    3,674.80/5,071.21 = 1,996.19/x
  3. Step 3: Cross multiply
    3,674.80x = 5,071.21 × 1,996.19
  4. Step 4: Simplify right side
    3,674.80x = 10,123,098.69
  5. Step 5: Solve for x
    x = 10,123,098.69/3,674.80
  6. Step 6: Final answer
    x = 2,754.73

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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.