Home / 5,739.21-7,917.62-3,500.73

Finding the Fourth Proportional to 5,739.21, 7,917.62 and 3,500.73

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Solution

The fourth proportional to 5,739.21, 7,917.62 and 3,500.73 is: 4,829.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.21 : 7,917.62 = 3,500.73 : x
  2. Step 2: Convert to fraction form
    5,739.21/7,917.62 = 3,500.73/x
  3. Step 3: Cross multiply
    5,739.21x = 7,917.62 × 3,500.73
  4. Step 4: Simplify right side
    5,739.21x = 27,717,432.36
  5. Step 5: Solve for x
    x = 27,717,432.36/5,739.21
  6. Step 6: Final answer
    x = 4,829.49

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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.