Home / 2,311.37-3,467.67-668.06

Finding the Fourth Proportional to 2,311.37, 3,467.67 and 668.06

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Solution

The fourth proportional to 2,311.37, 3,467.67 and 668.06 is: 1,002.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.37 : 3,467.67 = 668.06 : x
  2. Step 2: Convert to fraction form
    2,311.37/3,467.67 = 668.06/x
  3. Step 3: Cross multiply
    2,311.37x = 3,467.67 × 668.06
  4. Step 4: Simplify right side
    2,311.37x = 2,316,611.62
  5. Step 5: Solve for x
    x = 2,316,611.62/2,311.37
  6. Step 6: Final answer
    x = 1,002.27

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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.