Home / 3,198.72-4,825.11-3,030.66

Finding the Fourth Proportional to 3,198.72, 4,825.11 and 3,030.66

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Solution

The fourth proportional to 3,198.72, 4,825.11 and 3,030.66 is: 4,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.72 : 4,825.11 = 3,030.66 : x
  2. Step 2: Convert to fraction form
    3,198.72/4,825.11 = 3,030.66/x
  3. Step 3: Cross multiply
    3,198.72x = 4,825.11 × 3,030.66
  4. Step 4: Simplify right side
    3,198.72x = 14,623,267.87
  5. Step 5: Solve for x
    x = 14,623,267.87/3,198.72
  6. Step 6: Final answer
    x = 4,571.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.