Home / 5,458.61-8,187.12-2,684.54

Finding the Fourth Proportional to 5,458.61, 8,187.12 and 2,684.54

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Solution

The fourth proportional to 5,458.61, 8,187.12 and 2,684.54 is: 4,026.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.61 : 8,187.12 = 2,684.54 : x
  2. Step 2: Convert to fraction form
    5,458.61/8,187.12 = 2,684.54/x
  3. Step 3: Cross multiply
    5,458.61x = 8,187.12 × 2,684.54
  4. Step 4: Simplify right side
    5,458.61x = 21,978,623.95
  5. Step 5: Solve for x
    x = 21,978,623.95/5,458.61
  6. Step 6: Final answer
    x = 4,026.41

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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.