Home / 4,815.92-7,223.88-1,894.52

Finding the Fourth Proportional to 4,815.92, 7,223.88 and 1,894.52

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Solution

The fourth proportional to 4,815.92, 7,223.88 and 1,894.52 is: 2,841.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.92 : 7,223.88 = 1,894.52 : x
  2. Step 2: Convert to fraction form
    4,815.92/7,223.88 = 1,894.52/x
  3. Step 3: Cross multiply
    4,815.92x = 7,223.88 × 1,894.52
  4. Step 4: Simplify right side
    4,815.92x = 13,685,785.14
  5. Step 5: Solve for x
    x = 13,685,785.14/4,815.92
  6. Step 6: Final answer
    x = 2,841.78

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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.