Home / 6,770.82-10,157.20-2,091.22

Finding the Fourth Proportional to 6,770.82, 10,157.20 and 2,091.22

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Solution

The fourth proportional to 6,770.82, 10,157.20 and 2,091.22 is: 3,137.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,770.82 : 10,157.20 = 2,091.22 : x
  2. Step 2: Convert to fraction form
    6,770.82/10,157.20 = 2,091.22/x
  3. Step 3: Cross multiply
    6,770.82x = 10,157.20 × 2,091.22
  4. Step 4: Simplify right side
    6,770.82x = 21,240,939.78
  5. Step 5: Solve for x
    x = 21,240,939.78/6,770.82
  6. Step 6: Final answer
    x = 3,137.13

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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.