Home / 3,198.76-4,416.10-2,152.36

Finding the Fourth Proportional to 3,198.76, 4,416.10 and 2,152.36

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Solution

The fourth proportional to 3,198.76, 4,416.10 and 2,152.36 is: 2,971.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.76 : 4,416.10 = 2,152.36 : x
  2. Step 2: Convert to fraction form
    3,198.76/4,416.10 = 2,152.36/x
  3. Step 3: Cross multiply
    3,198.76x = 4,416.10 × 2,152.36
  4. Step 4: Simplify right side
    3,198.76x = 9,505,037.00
  5. Step 5: Solve for x
    x = 9,505,037.00/3,198.76
  6. Step 6: Final answer
    x = 2,971.48

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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.