Home / 2,133.17-3,198.39-1,473.20

Finding the Fourth Proportional to 2,133.17, 3,198.39 and 1,473.20

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Solution

The fourth proportional to 2,133.17, 3,198.39 and 1,473.20 is: 2,208.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.17 : 3,198.39 = 1,473.20 : x
  2. Step 2: Convert to fraction form
    2,133.17/3,198.39 = 1,473.20/x
  3. Step 3: Cross multiply
    2,133.17x = 3,198.39 × 1,473.20
  4. Step 4: Simplify right side
    2,133.17x = 4,711,861.39
  5. Step 5: Solve for x
    x = 4,711,861.39/2,133.17
  6. Step 6: Final answer
    x = 2,208.85

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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.