Home / 5,529.46-7,631.38-3,171.14

Finding the Fourth Proportional to 5,529.46, 7,631.38 and 3,171.14

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Solution

The fourth proportional to 5,529.46, 7,631.38 and 3,171.14 is: 4,376.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.46 : 7,631.38 = 3,171.14 : x
  2. Step 2: Convert to fraction form
    5,529.46/7,631.38 = 3,171.14/x
  3. Step 3: Cross multiply
    5,529.46x = 7,631.38 × 3,171.14
  4. Step 4: Simplify right side
    5,529.46x = 24,200,174.37
  5. Step 5: Solve for x
    x = 24,200,174.37/5,529.46
  6. Step 6: Final answer
    x = 4,376.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.