Home / 4,819.92-7,210.08-3,847.92

Finding the Fourth Proportional to 4,819.92, 7,210.08 and 3,847.92

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Solution

The fourth proportional to 4,819.92, 7,210.08 and 3,847.92 is: 5,756.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.92 : 7,210.08 = 3,847.92 : x
  2. Step 2: Convert to fraction form
    4,819.92/7,210.08 = 3,847.92/x
  3. Step 3: Cross multiply
    4,819.92x = 7,210.08 × 3,847.92
  4. Step 4: Simplify right side
    4,819.92x = 27,743,811.03
  5. Step 5: Solve for x
    x = 27,743,811.03/4,819.92
  6. Step 6: Final answer
    x = 5,756.07

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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.