Home / 3,040.86-4,192.44-2,619.66

Finding the Fourth Proportional to 3,040.86, 4,192.44 and 2,619.66

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Solution

The fourth proportional to 3,040.86, 4,192.44 and 2,619.66 is: 3,611.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.86 : 4,192.44 = 2,619.66 : x
  2. Step 2: Convert to fraction form
    3,040.86/4,192.44 = 2,619.66/x
  3. Step 3: Cross multiply
    3,040.86x = 4,192.44 × 2,619.66
  4. Step 4: Simplify right side
    3,040.86x = 10,982,767.37
  5. Step 5: Solve for x
    x = 10,982,767.37/3,040.86
  6. Step 6: Final answer
    x = 3,611.73

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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.