Home / 4,809.60-7,216.68-3,331.09

Finding the Fourth Proportional to 4,809.60, 7,216.68 and 3,331.09

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Solution

The fourth proportional to 4,809.60, 7,216.68 and 3,331.09 is: 4,998.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.60 : 7,216.68 = 3,331.09 : x
  2. Step 2: Convert to fraction form
    4,809.60/7,216.68 = 3,331.09/x
  3. Step 3: Cross multiply
    4,809.60x = 7,216.68 × 3,331.09
  4. Step 4: Simplify right side
    4,809.60x = 24,039,423.50
  5. Step 5: Solve for x
    x = 24,039,423.50/4,809.60
  6. Step 6: Final answer
    x = 4,998.22

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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.