Home / 3,975.44-5,486.22-2,183

Finding the Fourth Proportional to 3,975.44, 5,486.22 and 2,183

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Solution

The fourth proportional to 3,975.44, 5,486.22 and 2,183 is: 3,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.44 : 5,486.22 = 2,183 : x
  2. Step 2: Convert to fraction form
    3,975.44/5,486.22 = 2,183/x
  3. Step 3: Cross multiply
    3,975.44x = 5,486.22 × 2,183
  4. Step 4: Simplify right side
    3,975.44x = 11,976,418.26
  5. Step 5: Solve for x
    x = 11,976,418.26/3,975.44
  6. Step 6: Final answer
    x = 3,012.60

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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.