Home / 4,763.31-7,144.96-1,644.21

Finding the Fourth Proportional to 4,763.31, 7,144.96 and 1,644.21

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Solution

The fourth proportional to 4,763.31, 7,144.96 and 1,644.21 is: 2,466.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,763.31 : 7,144.96 = 1,644.21 : x
  2. Step 2: Convert to fraction form
    4,763.31/7,144.96 = 1,644.21/x
  3. Step 3: Cross multiply
    4,763.31x = 7,144.96 × 1,644.21
  4. Step 4: Simplify right side
    4,763.31x = 11,747,814.68
  5. Step 5: Solve for x
    x = 11,747,814.68/4,763.31
  6. Step 6: Final answer
    x = 2,466.31

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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.