Home / 5,373.86-8,063.73-2,087.09

Finding the Fourth Proportional to 5,373.86, 8,063.73 and 2,087.09

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Solution

The fourth proportional to 5,373.86, 8,063.73 and 2,087.09 is: 3,131.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.86 : 8,063.73 = 2,087.09 : x
  2. Step 2: Convert to fraction form
    5,373.86/8,063.73 = 2,087.09/x
  3. Step 3: Cross multiply
    5,373.86x = 8,063.73 × 2,087.09
  4. Step 4: Simplify right side
    5,373.86x = 16,829,730.25
  5. Step 5: Solve for x
    x = 16,829,730.25/5,373.86
  6. Step 6: Final answer
    x = 3,131.78

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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.