Home / 5,474.37-8,211.48-3,715.02

Finding the Fourth Proportional to 5,474.37, 8,211.48 and 3,715.02

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Solution

The fourth proportional to 5,474.37, 8,211.48 and 3,715.02 is: 5,572.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.37 : 8,211.48 = 3,715.02 : x
  2. Step 2: Convert to fraction form
    5,474.37/8,211.48 = 3,715.02/x
  3. Step 3: Cross multiply
    5,474.37x = 8,211.48 × 3,715.02
  4. Step 4: Simplify right side
    5,474.37x = 30,505,812.43
  5. Step 5: Solve for x
    x = 30,505,812.43/5,474.37
  6. Step 6: Final answer
    x = 5,572.48

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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.