Home / 2,816.62-3,883.32-1,930.88

Finding the Fourth Proportional to 2,816.62, 3,883.32 and 1,930.88

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Solution

The fourth proportional to 2,816.62, 3,883.32 and 1,930.88 is: 2,662.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.62 : 3,883.32 = 1,930.88 : x
  2. Step 2: Convert to fraction form
    2,816.62/3,883.32 = 1,930.88/x
  3. Step 3: Cross multiply
    2,816.62x = 3,883.32 × 1,930.88
  4. Step 4: Simplify right side
    2,816.62x = 7,498,224.92
  5. Step 5: Solve for x
    x = 7,498,224.92/2,816.62
  6. Step 6: Final answer
    x = 2,662.14

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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.