Home / 5,550.49-7,658.42-3,311.94

Finding the Fourth Proportional to 5,550.49, 7,658.42 and 3,311.94

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Solution

The fourth proportional to 5,550.49, 7,658.42 and 3,311.94 is: 4,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.49 : 7,658.42 = 3,311.94 : x
  2. Step 2: Convert to fraction form
    5,550.49/7,658.42 = 3,311.94/x
  3. Step 3: Cross multiply
    5,550.49x = 7,658.42 × 3,311.94
  4. Step 4: Simplify right side
    5,550.49x = 25,364,227.53
  5. Step 5: Solve for x
    x = 25,364,227.53/5,550.49
  6. Step 6: Final answer
    x = 4,569.73

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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.