Home / 3,792.21-5,235.72-3,556.97

Finding the Fourth Proportional to 3,792.21, 5,235.72 and 3,556.97

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Solution

The fourth proportional to 3,792.21, 5,235.72 and 3,556.97 is: 4,910.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.21 : 5,235.72 = 3,556.97 : x
  2. Step 2: Convert to fraction form
    3,792.21/5,235.72 = 3,556.97/x
  3. Step 3: Cross multiply
    3,792.21x = 5,235.72 × 3,556.97
  4. Step 4: Simplify right side
    3,792.21x = 18,623,272.79
  5. Step 5: Solve for x
    x = 18,623,272.79/3,792.21
  6. Step 6: Final answer
    x = 4,910.93

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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.