Home / 3,091.87-4,634.62-1,706.77

Finding the Fourth Proportional to 3,091.87, 4,634.62 and 1,706.77

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Solution

The fourth proportional to 3,091.87, 4,634.62 and 1,706.77 is: 2,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.87 : 4,634.62 = 1,706.77 : x
  2. Step 2: Convert to fraction form
    3,091.87/4,634.62 = 1,706.77/x
  3. Step 3: Cross multiply
    3,091.87x = 4,634.62 × 1,706.77
  4. Step 4: Simplify right side
    3,091.87x = 7,910,231.90
  5. Step 5: Solve for x
    x = 7,910,231.90/3,091.87
  6. Step 6: Final answer
    x = 2,558.40

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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.