Home / 4,391.96-6,613.72-3,167.84

Finding the Fourth Proportional to 4,391.96, 6,613.72 and 3,167.84

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Solution

The fourth proportional to 4,391.96, 6,613.72 and 3,167.84 is: 4,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,391.96 : 6,613.72 = 3,167.84 : x
  2. Step 2: Convert to fraction form
    4,391.96/6,613.72 = 3,167.84/x
  3. Step 3: Cross multiply
    4,391.96x = 6,613.72 × 3,167.84
  4. Step 4: Simplify right side
    4,391.96x = 20,951,190.93
  5. Step 5: Solve for x
    x = 20,951,190.93/4,391.96
  6. Step 6: Final answer
    x = 4,770.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.