Home / 5,571.06-7,687.94-3,148.21

Finding the Fourth Proportional to 5,571.06, 7,687.94 and 3,148.21

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Solution

The fourth proportional to 5,571.06, 7,687.94 and 3,148.21 is: 4,344.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.06 : 7,687.94 = 3,148.21 : x
  2. Step 2: Convert to fraction form
    5,571.06/7,687.94 = 3,148.21/x
  3. Step 3: Cross multiply
    5,571.06x = 7,687.94 × 3,148.21
  4. Step 4: Simplify right side
    5,571.06x = 24,203,249.59
  5. Step 5: Solve for x
    x = 24,203,249.59/5,571.06
  6. Step 6: Final answer
    x = 4,344.46

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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.