Home / 5,474.06-8,211.24-2,186.87

Finding the Fourth Proportional to 5,474.06, 8,211.24 and 2,186.87

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Solution

The fourth proportional to 5,474.06, 8,211.24 and 2,186.87 is: 3,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.06 : 8,211.24 = 2,186.87 : x
  2. Step 2: Convert to fraction form
    5,474.06/8,211.24 = 2,186.87/x
  3. Step 3: Cross multiply
    5,474.06x = 8,211.24 × 2,186.87
  4. Step 4: Simplify right side
    5,474.06x = 17,956,914.42
  5. Step 5: Solve for x
    x = 17,956,914.42/5,474.06
  6. Step 6: Final answer
    x = 3,280.36

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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.