Home / 3,047.85-4,571.36-1,198.49

Finding the Fourth Proportional to 3,047.85, 4,571.36 and 1,198.49

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Solution

The fourth proportional to 3,047.85, 4,571.36 and 1,198.49 is: 1,797.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.85 : 4,571.36 = 1,198.49 : x
  2. Step 2: Convert to fraction form
    3,047.85/4,571.36 = 1,198.49/x
  3. Step 3: Cross multiply
    3,047.85x = 4,571.36 × 1,198.49
  4. Step 4: Simplify right side
    3,047.85x = 5,478,700.40
  5. Step 5: Solve for x
    x = 5,478,700.40/3,047.85
  6. Step 6: Final answer
    x = 1,797.56

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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.