Home / 5,738.45-7,917.62-3,380.13

Finding the Fourth Proportional to 5,738.45, 7,917.62 and 3,380.13

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Solution

The fourth proportional to 5,738.45, 7,917.62 and 3,380.13 is: 4,663.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.45 : 7,917.62 = 3,380.13 : x
  2. Step 2: Convert to fraction form
    5,738.45/7,917.62 = 3,380.13/x
  3. Step 3: Cross multiply
    5,738.45x = 7,917.62 × 3,380.13
  4. Step 4: Simplify right side
    5,738.45x = 26,762,567.99
  5. Step 5: Solve for x
    x = 26,762,567.99/5,738.45
  6. Step 6: Final answer
    x = 4,663.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.