Home / 6,320.82-8,724.45-3,667.70

Finding the Fourth Proportional to 6,320.82, 8,724.45 and 3,667.70

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Solution

The fourth proportional to 6,320.82, 8,724.45 and 3,667.70 is: 5,062.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.82 : 8,724.45 = 3,667.70 : x
  2. Step 2: Convert to fraction form
    6,320.82/8,724.45 = 3,667.70/x
  3. Step 3: Cross multiply
    6,320.82x = 8,724.45 × 3,667.70
  4. Step 4: Simplify right side
    6,320.82x = 31,998,621.64
  5. Step 5: Solve for x
    x = 31,998,621.64/6,320.82
  6. Step 6: Final answer
    x = 5,062.42

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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.