Home / 5,350.08-8,019.12-2,572.80

Finding the Fourth Proportional to 5,350.08, 8,019.12 and 2,572.80

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Solution

The fourth proportional to 5,350.08, 8,019.12 and 2,572.80 is: 3,856.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.08 : 8,019.12 = 2,572.80 : x
  2. Step 2: Convert to fraction form
    5,350.08/8,019.12 = 2,572.80/x
  3. Step 3: Cross multiply
    5,350.08x = 8,019.12 × 2,572.80
  4. Step 4: Simplify right side
    5,350.08x = 20,631,591.94
  5. Step 5: Solve for x
    x = 20,631,591.94/5,350.08
  6. Step 6: Final answer
    x = 3,856.31

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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.