Home / 5,702.85-8,553.42-1,806.75

Finding the Fourth Proportional to 5,702.85, 8,553.42 and 1,806.75

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Solution

The fourth proportional to 5,702.85, 8,553.42 and 1,806.75 is: 2,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,702.85 : 8,553.42 = 1,806.75 : x
  2. Step 2: Convert to fraction form
    5,702.85/8,553.42 = 1,806.75/x
  3. Step 3: Cross multiply
    5,702.85x = 8,553.42 × 1,806.75
  4. Step 4: Simplify right side
    5,702.85x = 15,453,891.59
  5. Step 5: Solve for x
    x = 15,453,891.59/5,702.85
  6. Step 6: Final answer
    x = 2,709.85

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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.