Home / 4,072.11-5,631.35-3,998.33

Finding the Fourth Proportional to 4,072.11, 5,631.35 and 3,998.33

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Solution

The fourth proportional to 4,072.11, 5,631.35 and 3,998.33 is: 5,529.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.11 : 5,631.35 = 3,998.33 : x
  2. Step 2: Convert to fraction form
    4,072.11/5,631.35 = 3,998.33/x
  3. Step 3: Cross multiply
    4,072.11x = 5,631.35 × 3,998.33
  4. Step 4: Simplify right side
    4,072.11x = 22,515,947.50
  5. Step 5: Solve for x
    x = 22,515,947.50/4,072.11
  6. Step 6: Final answer
    x = 5,529.31

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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.