Home / 5,887.60-8,124.76-3,198.75

Finding the Fourth Proportional to 5,887.60, 8,124.76 and 3,198.75

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Solution

The fourth proportional to 5,887.60, 8,124.76 and 3,198.75 is: 4,414.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.60 : 8,124.76 = 3,198.75 : x
  2. Step 2: Convert to fraction form
    5,887.60/8,124.76 = 3,198.75/x
  3. Step 3: Cross multiply
    5,887.60x = 8,124.76 × 3,198.75
  4. Step 4: Simplify right side
    5,887.60x = 25,989,076.05
  5. Step 5: Solve for x
    x = 25,989,076.05/5,887.60
  6. Step 6: Final answer
    x = 4,414.21

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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.