Home / 2,652.36-3,981.41-1,996.11

Finding the Fourth Proportional to 2,652.36, 3,981.41 and 1,996.11

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Solution

The fourth proportional to 2,652.36, 3,981.41 and 1,996.11 is: 2,996.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.36 : 3,981.41 = 1,996.11 : x
  2. Step 2: Convert to fraction form
    2,652.36/3,981.41 = 1,996.11/x
  3. Step 3: Cross multiply
    2,652.36x = 3,981.41 × 1,996.11
  4. Step 4: Simplify right side
    2,652.36x = 7,947,322.33
  5. Step 5: Solve for x
    x = 7,947,322.33/2,652.36
  6. Step 6: Final answer
    x = 2,996.32

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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.