Home / 5,667.16-7,820.45-3,149.43

Finding the Fourth Proportional to 5,667.16, 7,820.45 and 3,149.43

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Solution

The fourth proportional to 5,667.16, 7,820.45 and 3,149.43 is: 4,346.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,667.16 : 7,820.45 = 3,149.43 : x
  2. Step 2: Convert to fraction form
    5,667.16/7,820.45 = 3,149.43/x
  3. Step 3: Cross multiply
    5,667.16x = 7,820.45 × 3,149.43
  4. Step 4: Simplify right side
    5,667.16x = 24,629,959.84
  5. Step 5: Solve for x
    x = 24,629,959.84/5,667.16
  6. Step 6: Final answer
    x = 4,346.09

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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.