Home / 5,333.72-7,998.44-2,211.60

Finding the Fourth Proportional to 5,333.72, 7,998.44 and 2,211.60

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Solution

The fourth proportional to 5,333.72, 7,998.44 and 2,211.60 is: 3,316.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,333.72 : 7,998.44 = 2,211.60 : x
  2. Step 2: Convert to fraction form
    5,333.72/7,998.44 = 2,211.60/x
  3. Step 3: Cross multiply
    5,333.72x = 7,998.44 × 2,211.60
  4. Step 4: Simplify right side
    5,333.72x = 17,689,379.73
  5. Step 5: Solve for x
    x = 17,689,379.73/5,333.72
  6. Step 6: Final answer
    x = 3,316.52

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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.