Home / 3,221.65-4,833.68-1,141.57

Finding the Fourth Proportional to 3,221.65, 4,833.68 and 1,141.57

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Solution

The fourth proportional to 3,221.65, 4,833.68 and 1,141.57 is: 1,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.65 : 4,833.68 = 1,141.57 : x
  2. Step 2: Convert to fraction form
    3,221.65/4,833.68 = 1,141.57/x
  3. Step 3: Cross multiply
    3,221.65x = 4,833.68 × 1,141.57
  4. Step 4: Simplify right side
    3,221.65x = 5,517,962.76
  5. Step 5: Solve for x
    x = 5,517,962.76/3,221.65
  6. Step 6: Final answer
    x = 1,712.78

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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.