Home / 3,367.10-5,045.08-1,721.38

Finding the Fourth Proportional to 3,367.10, 5,045.08 and 1,721.38

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Solution

The fourth proportional to 3,367.10, 5,045.08 and 1,721.38 is: 2,579.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.10 : 5,045.08 = 1,721.38 : x
  2. Step 2: Convert to fraction form
    3,367.10/5,045.08 = 1,721.38/x
  3. Step 3: Cross multiply
    3,367.10x = 5,045.08 × 1,721.38
  4. Step 4: Simplify right side
    3,367.10x = 8,684,491.20
  5. Step 5: Solve for x
    x = 8,684,491.20/3,367.10
  6. Step 6: Final answer
    x = 2,579.22

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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.