Home / 4,792.20-7,176.60-3,955.68

Finding the Fourth Proportional to 4,792.20, 7,176.60 and 3,955.68

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Solution

The fourth proportional to 4,792.20, 7,176.60 and 3,955.68 is: 5,923.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,792.20 : 7,176.60 = 3,955.68 : x
  2. Step 2: Convert to fraction form
    4,792.20/7,176.60 = 3,955.68/x
  3. Step 3: Cross multiply
    4,792.20x = 7,176.60 × 3,955.68
  4. Step 4: Simplify right side
    4,792.20x = 28,388,333.09
  5. Step 5: Solve for x
    x = 28,388,333.09/4,792.20
  6. Step 6: Final answer
    x = 5,923.86

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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.