Home / 4,104.46-5,661.66-2,778.49

Finding the Fourth Proportional to 4,104.46, 5,661.66 and 2,778.49

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Solution

The fourth proportional to 4,104.46, 5,661.66 and 2,778.49 is: 3,832.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,104.46 : 5,661.66 = 2,778.49 : x
  2. Step 2: Convert to fraction form
    4,104.46/5,661.66 = 2,778.49/x
  3. Step 3: Cross multiply
    4,104.46x = 5,661.66 × 2,778.49
  4. Step 4: Simplify right side
    4,104.46x = 15,730,865.69
  5. Step 5: Solve for x
    x = 15,730,865.69/4,104.46
  6. Step 6: Final answer
    x = 3,832.63

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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.