Home / 5,172.92-7,759.83-1,475.07

Finding the Fourth Proportional to 5,172.92, 7,759.83 and 1,475.07

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Solution

The fourth proportional to 5,172.92, 7,759.83 and 1,475.07 is: 2,212.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.92 : 7,759.83 = 1,475.07 : x
  2. Step 2: Convert to fraction form
    5,172.92/7,759.83 = 1,475.07/x
  3. Step 3: Cross multiply
    5,172.92x = 7,759.83 × 1,475.07
  4. Step 4: Simplify right side
    5,172.92x = 11,446,292.44
  5. Step 5: Solve for x
    x = 11,446,292.44/5,172.92
  6. Step 6: Final answer
    x = 2,212.74

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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.