Home / 3,907.23-5,861.21-1,133.79

Finding the Fourth Proportional to 3,907.23, 5,861.21 and 1,133.79

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Solution

The fourth proportional to 3,907.23, 5,861.21 and 1,133.79 is: 1,700.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.23 : 5,861.21 = 1,133.79 : x
  2. Step 2: Convert to fraction form
    3,907.23/5,861.21 = 1,133.79/x
  3. Step 3: Cross multiply
    3,907.23x = 5,861.21 × 1,133.79
  4. Step 4: Simplify right side
    3,907.23x = 6,645,375.62
  5. Step 5: Solve for x
    x = 6,645,375.62/3,907.23
  6. Step 6: Final answer
    x = 1,700.79

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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.