Home / 5,188.83-7,162.11-2,951.96

Finding the Fourth Proportional to 5,188.83, 7,162.11 and 2,951.96

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Solution

The fourth proportional to 5,188.83, 7,162.11 and 2,951.96 is: 4,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.83 : 7,162.11 = 2,951.96 : x
  2. Step 2: Convert to fraction form
    5,188.83/7,162.11 = 2,951.96/x
  3. Step 3: Cross multiply
    5,188.83x = 7,162.11 × 2,951.96
  4. Step 4: Simplify right side
    5,188.83x = 21,142,226.43
  5. Step 5: Solve for x
    x = 21,142,226.43/5,188.83
  6. Step 6: Final answer
    x = 4,074.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.