Home / 5,091.75-7,637.67-2,013.75

Finding the Fourth Proportional to 5,091.75, 7,637.67 and 2,013.75

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Solution

The fourth proportional to 5,091.75, 7,637.67 and 2,013.75 is: 3,020.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.75 : 7,637.67 = 2,013.75 : x
  2. Step 2: Convert to fraction form
    5,091.75/7,637.67 = 2,013.75/x
  3. Step 3: Cross multiply
    5,091.75x = 7,637.67 × 2,013.75
  4. Step 4: Simplify right side
    5,091.75x = 15,380,357.96
  5. Step 5: Solve for x
    x = 15,380,357.96/5,091.75
  6. Step 6: Final answer
    x = 3,020.64

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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.