Home / 5,516.72-8,276.63-2,232.12

Finding the Fourth Proportional to 5,516.72, 8,276.63 and 2,232.12

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Solution

The fourth proportional to 5,516.72, 8,276.63 and 2,232.12 is: 3,348.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.72 : 8,276.63 = 2,232.12 : x
  2. Step 2: Convert to fraction form
    5,516.72/8,276.63 = 2,232.12/x
  3. Step 3: Cross multiply
    5,516.72x = 8,276.63 × 2,232.12
  4. Step 4: Simplify right side
    5,516.72x = 18,474,431.36
  5. Step 5: Solve for x
    x = 18,474,431.36/5,516.72
  6. Step 6: Final answer
    x = 3,348.81

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Double scale
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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.