Home / 5,493.11-8,239.60-1,333.16

Finding the Fourth Proportional to 5,493.11, 8,239.60 and 1,333.16

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Solution

The fourth proportional to 5,493.11, 8,239.60 and 1,333.16 is: 1,999.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,493.11 : 8,239.60 = 1,333.16 : x
  2. Step 2: Convert to fraction form
    5,493.11/8,239.60 = 1,333.16/x
  3. Step 3: Cross multiply
    5,493.11x = 8,239.60 × 1,333.16
  4. Step 4: Simplify right side
    5,493.11x = 10,984,705.14
  5. Step 5: Solve for x
    x = 10,984,705.14/5,493.11
  6. Step 6: Final answer
    x = 1,999.72

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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.