Home / 5,571.39-8,350.78-2,282.68

Finding the Fourth Proportional to 5,571.39, 8,350.78 and 2,282.68

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Solution

The fourth proportional to 5,571.39, 8,350.78 and 2,282.68 is: 3,421.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.39 : 8,350.78 = 2,282.68 : x
  2. Step 2: Convert to fraction form
    5,571.39/8,350.78 = 2,282.68/x
  3. Step 3: Cross multiply
    5,571.39x = 8,350.78 × 2,282.68
  4. Step 4: Simplify right side
    5,571.39x = 19,062,158.49
  5. Step 5: Solve for x
    x = 19,062,158.49/5,571.39
  6. Step 6: Final answer
    x = 3,421.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.