Home / 3,110.44-4,292.12-1,851.29

Finding the Fourth Proportional to 3,110.44, 4,292.12 and 1,851.29

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Solution

The fourth proportional to 3,110.44, 4,292.12 and 1,851.29 is: 2,554.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.44 : 4,292.12 = 1,851.29 : x
  2. Step 2: Convert to fraction form
    3,110.44/4,292.12 = 1,851.29/x
  3. Step 3: Cross multiply
    3,110.44x = 4,292.12 × 1,851.29
  4. Step 4: Simplify right side
    3,110.44x = 7,945,958.83
  5. Step 5: Solve for x
    x = 7,945,958.83/3,110.44
  6. Step 6: Final answer
    x = 2,554.61

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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.