Home / 2,757.18-4,135.75-1,196.97

Finding the Fourth Proportional to 2,757.18, 4,135.75 and 1,196.97

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Solution

The fourth proportional to 2,757.18, 4,135.75 and 1,196.97 is: 1,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.18 : 4,135.75 = 1,196.97 : x
  2. Step 2: Convert to fraction form
    2,757.18/4,135.75 = 1,196.97/x
  3. Step 3: Cross multiply
    2,757.18x = 4,135.75 × 1,196.97
  4. Step 4: Simplify right side
    2,757.18x = 4,950,391.80
  5. Step 5: Solve for x
    x = 4,950,391.80/2,757.18
  6. Step 6: Final answer
    x = 1,795.46

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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.