Home / 5,627.20-8,436.23-2,342.75

Finding the Fourth Proportional to 5,627.20, 8,436.23 and 2,342.75

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Solution

The fourth proportional to 5,627.20, 8,436.23 and 2,342.75 is: 3,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.20 : 8,436.23 = 2,342.75 : x
  2. Step 2: Convert to fraction form
    5,627.20/8,436.23 = 2,342.75/x
  3. Step 3: Cross multiply
    5,627.20x = 8,436.23 × 2,342.75
  4. Step 4: Simplify right side
    5,627.20x = 19,763,923.94
  5. Step 5: Solve for x
    x = 19,763,923.94/5,627.20
  6. Step 6: Final answer
    x = 3,512.21

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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.