Home / 3,022.92-4,530.05-1,721.70

Finding the Fourth Proportional to 3,022.92, 4,530.05 and 1,721.70

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Solution

The fourth proportional to 3,022.92, 4,530.05 and 1,721.70 is: 2,580.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.92 : 4,530.05 = 1,721.70 : x
  2. Step 2: Convert to fraction form
    3,022.92/4,530.05 = 1,721.70/x
  3. Step 3: Cross multiply
    3,022.92x = 4,530.05 × 1,721.70
  4. Step 4: Simplify right side
    3,022.92x = 7,799,387.09
  5. Step 5: Solve for x
    x = 7,799,387.09/3,022.92
  6. Step 6: Final answer
    x = 2,580.08

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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.