Home / 5,458.72-8,181.23-2,335.06

Finding the Fourth Proportional to 5,458.72, 8,181.23 and 2,335.06

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Solution

The fourth proportional to 5,458.72, 8,181.23 and 2,335.06 is: 3,499.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.72 : 8,181.23 = 2,335.06 : x
  2. Step 2: Convert to fraction form
    5,458.72/8,181.23 = 2,335.06/x
  3. Step 3: Cross multiply
    5,458.72x = 8,181.23 × 2,335.06
  4. Step 4: Simplify right side
    5,458.72x = 19,103,632.97
  5. Step 5: Solve for x
    x = 19,103,632.97/5,458.72
  6. Step 6: Final answer
    x = 3,499.65

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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.