Home / 3,792.88-5,235.54-2,222.28

Finding the Fourth Proportional to 3,792.88, 5,235.54 and 2,222.28

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Solution

The fourth proportional to 3,792.88, 5,235.54 and 2,222.28 is: 3,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.88 : 5,235.54 = 2,222.28 : x
  2. Step 2: Convert to fraction form
    3,792.88/5,235.54 = 2,222.28/x
  3. Step 3: Cross multiply
    3,792.88x = 5,235.54 × 2,222.28
  4. Step 4: Simplify right side
    3,792.88x = 11,634,835.83
  5. Step 5: Solve for x
    x = 11,634,835.83/3,792.88
  6. Step 6: Final answer
    x = 3,067.55

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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.