Home / 5,105.75-7,658.82-2,332.58

Finding the Fourth Proportional to 5,105.75, 7,658.82 and 2,332.58

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Solution

The fourth proportional to 5,105.75, 7,658.82 and 2,332.58 is: 3,498.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.75 : 7,658.82 = 2,332.58 : x
  2. Step 2: Convert to fraction form
    5,105.75/7,658.82 = 2,332.58/x
  3. Step 3: Cross multiply
    5,105.75x = 7,658.82 × 2,332.58
  4. Step 4: Simplify right side
    5,105.75x = 17,864,772.06
  5. Step 5: Solve for x
    x = 17,864,772.06/5,105.75
  6. Step 6: Final answer
    x = 3,498.96

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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.