Home / 5,667.14-7,820.24-3,149.12

Finding the Fourth Proportional to 5,667.14, 7,820.24 and 3,149.12

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Solution

The fourth proportional to 5,667.14, 7,820.24 and 3,149.12 is: 4,345.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,667.14 : 7,820.24 = 3,149.12 : x
  2. Step 2: Convert to fraction form
    5,667.14/7,820.24 = 3,149.12/x
  3. Step 3: Cross multiply
    5,667.14x = 7,820.24 × 3,149.12
  4. Step 4: Simplify right side
    5,667.14x = 24,626,874.19
  5. Step 5: Solve for x
    x = 24,626,874.19/5,667.14
  6. Step 6: Final answer
    x = 4,345.56

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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.