Home / 4,083.84-5,629.66-3,186.56

Finding the Fourth Proportional to 4,083.84, 5,629.66 and 3,186.56

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Solution

The fourth proportional to 4,083.84, 5,629.66 and 3,186.56 is: 4,392.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.84 : 5,629.66 = 3,186.56 : x
  2. Step 2: Convert to fraction form
    4,083.84/5,629.66 = 3,186.56/x
  3. Step 3: Cross multiply
    4,083.84x = 5,629.66 × 3,186.56
  4. Step 4: Simplify right side
    4,083.84x = 17,939,233.44
  5. Step 5: Solve for x
    x = 17,939,233.44/4,083.84
  6. Step 6: Final answer
    x = 4,392.74

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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.