Home / 3,205.42-4,810.55-2,162.95

Finding the Fourth Proportional to 3,205.42, 4,810.55 and 2,162.95

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Solution

The fourth proportional to 3,205.42, 4,810.55 and 2,162.95 is: 3,246.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.42 : 4,810.55 = 2,162.95 : x
  2. Step 2: Convert to fraction form
    3,205.42/4,810.55 = 2,162.95/x
  3. Step 3: Cross multiply
    3,205.42x = 4,810.55 × 2,162.95
  4. Step 4: Simplify right side
    3,205.42x = 10,404,979.12
  5. Step 5: Solve for x
    x = 10,404,979.12/3,205.42
  6. Step 6: Final answer
    x = 3,246.06

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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.