Home / 5,403.69-8,092.94-5,216.61

Finding the Fourth Proportional to 5,403.69, 8,092.94 and 5,216.61

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Solution

The fourth proportional to 5,403.69, 8,092.94 and 5,216.61 is: 7,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.69 : 8,092.94 = 5,216.61 : x
  2. Step 2: Convert to fraction form
    5,403.69/8,092.94 = 5,216.61/x
  3. Step 3: Cross multiply
    5,403.69x = 8,092.94 × 5,216.61
  4. Step 4: Simplify right side
    5,403.69x = 42,217,711.73
  5. Step 5: Solve for x
    x = 42,217,711.73/5,403.69
  6. Step 6: Final answer
    x = 7,812.76

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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.