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Finding the Fourth Proportional to 3,967.65, 5,951.31 and 1,626.89

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Solution

The fourth proportional to 3,967.65, 5,951.31 and 1,626.89 is: 2,440.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.65 : 5,951.31 = 1,626.89 : x
  2. Step 2: Convert to fraction form
    3,967.65/5,951.31 = 1,626.89/x
  3. Step 3: Cross multiply
    3,967.65x = 5,951.31 × 1,626.89
  4. Step 4: Simplify right side
    3,967.65x = 9,682,090.87
  5. Step 5: Solve for x
    x = 9,682,090.87/3,967.65
  6. Step 6: Final answer
    x = 2,440.26

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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.