Home / 3,269.27-4,905.30-1,808.30

Finding the Fourth Proportional to 3,269.27, 4,905.30 and 1,808.30

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Solution

The fourth proportional to 3,269.27, 4,905.30 and 1,808.30 is: 2,713.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.27 : 4,905.30 = 1,808.30 : x
  2. Step 2: Convert to fraction form
    3,269.27/4,905.30 = 1,808.30/x
  3. Step 3: Cross multiply
    3,269.27x = 4,905.30 × 1,808.30
  4. Step 4: Simplify right side
    3,269.27x = 8,870,253.99
  5. Step 5: Solve for x
    x = 8,870,253.99/3,269.27
  6. Step 6: Final answer
    x = 2,713.22

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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.