Home / 5,343.30-8,016.08-1,645.44

Finding the Fourth Proportional to 5,343.30, 8,016.08 and 1,645.44

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Solution

The fourth proportional to 5,343.30, 8,016.08 and 1,645.44 is: 2,468.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.30 : 8,016.08 = 1,645.44 : x
  2. Step 2: Convert to fraction form
    5,343.30/8,016.08 = 1,645.44/x
  3. Step 3: Cross multiply
    5,343.30x = 8,016.08 × 1,645.44
  4. Step 4: Simplify right side
    5,343.30x = 13,189,978.68
  5. Step 5: Solve for x
    x = 13,189,978.68/5,343.30
  6. Step 6: Final answer
    x = 2,468.51

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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.