Home / 3,282.29-4,529.50-1,790.22

Finding the Fourth Proportional to 3,282.29, 4,529.50 and 1,790.22

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Solution

The fourth proportional to 3,282.29, 4,529.50 and 1,790.22 is: 2,470.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.29 : 4,529.50 = 1,790.22 : x
  2. Step 2: Convert to fraction form
    3,282.29/4,529.50 = 1,790.22/x
  3. Step 3: Cross multiply
    3,282.29x = 4,529.50 × 1,790.22
  4. Step 4: Simplify right side
    3,282.29x = 8,108,801.49
  5. Step 5: Solve for x
    x = 8,108,801.49/3,282.29
  6. Step 6: Final answer
    x = 2,470.47

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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.