Home / 5,474.91-8,160.35-5,163.56

Finding the Fourth Proportional to 5,474.91, 8,160.35 and 5,163.56

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Solution

The fourth proportional to 5,474.91, 8,160.35 and 5,163.56 is: 7,696.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.91 : 8,160.35 = 5,163.56 : x
  2. Step 2: Convert to fraction form
    5,474.91/8,160.35 = 5,163.56/x
  3. Step 3: Cross multiply
    5,474.91x = 8,160.35 × 5,163.56
  4. Step 4: Simplify right side
    5,474.91x = 42,136,390.23
  5. Step 5: Solve for x
    x = 42,136,390.23/5,474.91
  6. Step 6: Final answer
    x = 7,696.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.