Home / 4,918.46-7,377.68-1,996.79

Finding the Fourth Proportional to 4,918.46, 7,377.68 and 1,996.79

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Solution

The fourth proportional to 4,918.46, 7,377.68 and 1,996.79 is: 2,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.46 : 7,377.68 = 1,996.79 : x
  2. Step 2: Convert to fraction form
    4,918.46/7,377.68 = 1,996.79/x
  3. Step 3: Cross multiply
    4,918.46x = 7,377.68 × 1,996.79
  4. Step 4: Simplify right side
    4,918.46x = 14,731,645.75
  5. Step 5: Solve for x
    x = 14,731,645.75/4,918.46
  6. Step 6: Final answer
    x = 2,995.18

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1.5x scale

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.