Home / 3,945.96-5,453.24-3,236.67

Finding the Fourth Proportional to 3,945.96, 5,453.24 and 3,236.67

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Solution

The fourth proportional to 3,945.96, 5,453.24 and 3,236.67 is: 4,473.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.96 : 5,453.24 = 3,236.67 : x
  2. Step 2: Convert to fraction form
    3,945.96/5,453.24 = 3,236.67/x
  3. Step 3: Cross multiply
    3,945.96x = 5,453.24 × 3,236.67
  4. Step 4: Simplify right side
    3,945.96x = 17,650,322.13
  5. Step 5: Solve for x
    x = 17,650,322.13/3,945.96
  6. Step 6: Final answer
    x = 4,473.01

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.