Home / 6,544.20-9,816.24-1,927.20

Finding the Fourth Proportional to 6,544.20, 9,816.24 and 1,927.20

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Solution

The fourth proportional to 6,544.20, 9,816.24 and 1,927.20 is: 2,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,544.20 : 9,816.24 = 1,927.20 : x
  2. Step 2: Convert to fraction form
    6,544.20/9,816.24 = 1,927.20/x
  3. Step 3: Cross multiply
    6,544.20x = 9,816.24 × 1,927.20
  4. Step 4: Simplify right side
    6,544.20x = 18,917,857.73
  5. Step 5: Solve for x
    x = 18,917,857.73/6,544.20
  6. Step 6: Final answer
    x = 2,890.78

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Half scale
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Double scale
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Similar ratio
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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.