Home / 3,806.44-5,255.28-2,613.42

Finding the Fourth Proportional to 3,806.44, 5,255.28 and 2,613.42

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Solution

The fourth proportional to 3,806.44, 5,255.28 and 2,613.42 is: 3,608.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.44 : 5,255.28 = 2,613.42 : x
  2. Step 2: Convert to fraction form
    3,806.44/5,255.28 = 2,613.42/x
  3. Step 3: Cross multiply
    3,806.44x = 5,255.28 × 2,613.42
  4. Step 4: Simplify right side
    3,806.44x = 13,734,253.86
  5. Step 5: Solve for x
    x = 13,734,253.86/3,806.44
  6. Step 6: Final answer
    x = 3,608.16

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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.