Home / 4,074.31-5,613.86-2,745.71

Finding the Fourth Proportional to 4,074.31, 5,613.86 and 2,745.71

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Solution

The fourth proportional to 4,074.31, 5,613.86 and 2,745.71 is: 3,783.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074.31 : 5,613.86 = 2,745.71 : x
  2. Step 2: Convert to fraction form
    4,074.31/5,613.86 = 2,745.71/x
  3. Step 3: Cross multiply
    4,074.31x = 5,613.86 × 2,745.71
  4. Step 4: Simplify right side
    4,074.31x = 15,414,010.34
  5. Step 5: Solve for x
    x = 15,414,010.34/4,074.31
  6. Step 6: Final answer
    x = 3,783.22

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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.