Home / 5,827.83-8,745.68-2,131.18

Finding the Fourth Proportional to 5,827.83, 8,745.68 and 2,131.18

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Solution

The fourth proportional to 5,827.83, 8,745.68 and 2,131.18 is: 3,198.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.83 : 8,745.68 = 2,131.18 : x
  2. Step 2: Convert to fraction form
    5,827.83/8,745.68 = 2,131.18/x
  3. Step 3: Cross multiply
    5,827.83x = 8,745.68 × 2,131.18
  4. Step 4: Simplify right side
    5,827.83x = 18,638,618.30
  5. Step 5: Solve for x
    x = 18,638,618.30/5,827.83
  6. Step 6: Final answer
    x = 3,198.21

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1.5x scale

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.