Home / 3,573.86-4,931.91-2,176.61

Finding the Fourth Proportional to 3,573.86, 4,931.91 and 2,176.61

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Solution

The fourth proportional to 3,573.86, 4,931.91 and 2,176.61 is: 3,003.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.86 : 4,931.91 = 2,176.61 : x
  2. Step 2: Convert to fraction form
    3,573.86/4,931.91 = 2,176.61/x
  3. Step 3: Cross multiply
    3,573.86x = 4,931.91 × 2,176.61
  4. Step 4: Simplify right side
    3,573.86x = 10,734,819.97
  5. Step 5: Solve for x
    x = 10,734,819.97/3,573.86
  6. Step 6: Final answer
    x = 3,003.71

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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.