Home / 3,269.12-4,511.20-1,777.02

Finding the Fourth Proportional to 3,269.12, 4,511.20 and 1,777.02

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Solution

The fourth proportional to 3,269.12, 4,511.20 and 1,777.02 is: 2,452.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.12 : 4,511.20 = 1,777.02 : x
  2. Step 2: Convert to fraction form
    3,269.12/4,511.20 = 1,777.02/x
  3. Step 3: Cross multiply
    3,269.12x = 4,511.20 × 1,777.02
  4. Step 4: Simplify right side
    3,269.12x = 8,016,492.62
  5. Step 5: Solve for x
    x = 8,016,492.62/3,269.12
  6. Step 6: Final answer
    x = 2,452.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.