Home / 5,247.73-7,872.75-1,738.83

Finding the Fourth Proportional to 5,247.73, 7,872.75 and 1,738.83

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Solution

The fourth proportional to 5,247.73, 7,872.75 and 1,738.83 is: 2,608.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.73 : 7,872.75 = 1,738.83 : x
  2. Step 2: Convert to fraction form
    5,247.73/7,872.75 = 1,738.83/x
  3. Step 3: Cross multiply
    5,247.73x = 7,872.75 × 1,738.83
  4. Step 4: Simplify right side
    5,247.73x = 13,689,373.88
  5. Step 5: Solve for x
    x = 13,689,373.88/5,247.73
  6. Step 6: Final answer
    x = 2,608.63

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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.