Home / 5,091.12-7,634.79-1,803.33

Finding the Fourth Proportional to 5,091.12, 7,634.79 and 1,803.33

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Solution

The fourth proportional to 5,091.12, 7,634.79 and 1,803.33 is: 2,704.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.12 : 7,634.79 = 1,803.33 : x
  2. Step 2: Convert to fraction form
    5,091.12/7,634.79 = 1,803.33/x
  3. Step 3: Cross multiply
    5,091.12x = 7,634.79 × 1,803.33
  4. Step 4: Simplify right side
    5,091.12x = 13,768,045.85
  5. Step 5: Solve for x
    x = 13,768,045.85/5,091.12
  6. Step 6: Final answer
    x = 2,704.33

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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.