Home / 3,609.38-4,981.04-2,192.58

Finding the Fourth Proportional to 3,609.38, 4,981.04 and 2,192.58

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Solution

The fourth proportional to 3,609.38, 4,981.04 and 2,192.58 is: 3,025.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.38 : 4,981.04 = 2,192.58 : x
  2. Step 2: Convert to fraction form
    3,609.38/4,981.04 = 2,192.58/x
  3. Step 3: Cross multiply
    3,609.38x = 4,981.04 × 2,192.58
  4. Step 4: Simplify right side
    3,609.38x = 10,921,317.72
  5. Step 5: Solve for x
    x = 10,921,317.72/3,609.38
  6. Step 6: Final answer
    x = 3,025.82

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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.