Home / 2,091.11-3,137.00-704.57

Finding the Fourth Proportional to 2,091.11, 3,137.00 and 704.57

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Solution

The fourth proportional to 2,091.11, 3,137.00 and 704.57 is: 1,056.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091.11 : 3,137.00 = 704.57 : x
  2. Step 2: Convert to fraction form
    2,091.11/3,137.00 = 704.57/x
  3. Step 3: Cross multiply
    2,091.11x = 3,137.00 × 704.57
  4. Step 4: Simplify right side
    2,091.11x = 2,210,216.88
  5. Step 5: Solve for x
    x = 2,210,216.88/2,091.11
  6. Step 6: Final answer
    x = 1,056.96

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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.