Home / 5,760.48-8,633.71-3,121.73

Finding the Fourth Proportional to 5,760.48, 8,633.71 and 3,121.73

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Solution

The fourth proportional to 5,760.48, 8,633.71 and 3,121.73 is: 4,678.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760.48 : 8,633.71 = 3,121.73 : x
  2. Step 2: Convert to fraction form
    5,760.48/8,633.71 = 3,121.73/x
  3. Step 3: Cross multiply
    5,760.48x = 8,633.71 × 3,121.73
  4. Step 4: Simplify right side
    5,760.48x = 26,952,101.27
  5. Step 5: Solve for x
    x = 26,952,101.27/5,760.48
  6. Step 6: Final answer
    x = 4,678.79

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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.