Home / 2,198.76-3,030.62-1,824.54

Finding the Fourth Proportional to 2,198.76, 3,030.62 and 1,824.54

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Solution

The fourth proportional to 2,198.76, 3,030.62 and 1,824.54 is: 2,514.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.76 : 3,030.62 = 1,824.54 : x
  2. Step 2: Convert to fraction form
    2,198.76/3,030.62 = 1,824.54/x
  3. Step 3: Cross multiply
    2,198.76x = 3,030.62 × 1,824.54
  4. Step 4: Simplify right side
    2,198.76x = 5,529,487.41
  5. Step 5: Solve for x
    x = 5,529,487.41/2,198.76
  6. Step 6: Final answer
    x = 2,514.82

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Half scale
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Double scale
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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.