Home / 5,887.55-8,124.88-3,198.80

Finding the Fourth Proportional to 5,887.55, 8,124.88 and 3,198.80

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Solution

The fourth proportional to 5,887.55, 8,124.88 and 3,198.80 is: 4,414.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.55 : 8,124.88 = 3,198.80 : x
  2. Step 2: Convert to fraction form
    5,887.55/8,124.88 = 3,198.80/x
  3. Step 3: Cross multiply
    5,887.55x = 8,124.88 × 3,198.80
  4. Step 4: Simplify right side
    5,887.55x = 25,989,866.14
  5. Step 5: Solve for x
    x = 25,989,866.14/5,887.55
  6. Step 6: Final answer
    x = 4,414.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.