Home / 2,975.13-4,105.49-1,796.85

Finding the Fourth Proportional to 2,975.13, 4,105.49 and 1,796.85

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Solution

The fourth proportional to 2,975.13, 4,105.49 and 1,796.85 is: 2,479.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.13 : 4,105.49 = 1,796.85 : x
  2. Step 2: Convert to fraction form
    2,975.13/4,105.49 = 1,796.85/x
  3. Step 3: Cross multiply
    2,975.13x = 4,105.49 × 1,796.85
  4. Step 4: Simplify right side
    2,975.13x = 7,376,940.72
  5. Step 5: Solve for x
    x = 7,376,940.72/2,975.13
  6. Step 6: Final answer
    x = 2,479.54

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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.