Home / 5,051.97-7,577.89-2,091.69

Finding the Fourth Proportional to 5,051.97, 7,577.89 and 2,091.69

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Solution

The fourth proportional to 5,051.97, 7,577.89 and 2,091.69 is: 3,137.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.97 : 7,577.89 = 2,091.69 : x
  2. Step 2: Convert to fraction form
    5,051.97/7,577.89 = 2,091.69/x
  3. Step 3: Cross multiply
    5,051.97x = 7,577.89 × 2,091.69
  4. Step 4: Simplify right side
    5,051.97x = 15,850,591.50
  5. Step 5: Solve for x
    x = 15,850,591.50/5,051.97
  6. Step 6: Final answer
    x = 3,137.51

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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.