Home / 5,155.24-7,733.43-1,644.43

Finding the Fourth Proportional to 5,155.24, 7,733.43 and 1,644.43

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Solution

The fourth proportional to 5,155.24, 7,733.43 and 1,644.43 is: 2,466.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.24 : 7,733.43 = 1,644.43 : x
  2. Step 2: Convert to fraction form
    5,155.24/7,733.43 = 1,644.43/x
  3. Step 3: Cross multiply
    5,155.24x = 7,733.43 × 1,644.43
  4. Step 4: Simplify right side
    5,155.24x = 12,717,084.29
  5. Step 5: Solve for x
    x = 12,717,084.29/5,155.24
  6. Step 6: Final answer
    x = 2,466.83

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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.