Home / 4,772.96-7,161.59-2,579.12

Finding the Fourth Proportional to 4,772.96, 7,161.59 and 2,579.12

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Solution

The fourth proportional to 4,772.96, 7,161.59 and 2,579.12 is: 3,869.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.96 : 7,161.59 = 2,579.12 : x
  2. Step 2: Convert to fraction form
    4,772.96/7,161.59 = 2,579.12/x
  3. Step 3: Cross multiply
    4,772.96x = 7,161.59 × 2,579.12
  4. Step 4: Simplify right side
    4,772.96x = 18,470,624.35
  5. Step 5: Solve for x
    x = 18,470,624.35/4,772.96
  6. Step 6: Final answer
    x = 3,869.84

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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.