Home / 5,667.09-7,820.58-3,149.79

Finding the Fourth Proportional to 5,667.09, 7,820.58 and 3,149.79

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Solution

The fourth proportional to 5,667.09, 7,820.58 and 3,149.79 is: 4,346.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,667.09 : 7,820.58 = 3,149.79 : x
  2. Step 2: Convert to fraction form
    5,667.09/7,820.58 = 3,149.79/x
  3. Step 3: Cross multiply
    5,667.09x = 7,820.58 × 3,149.79
  4. Step 4: Simplify right side
    5,667.09x = 24,633,184.68
  5. Step 5: Solve for x
    x = 24,633,184.68/5,667.09
  6. Step 6: Final answer
    x = 4,346.71

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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.