Home / 2,999.29-4,138.92-1,673.22

Finding the Fourth Proportional to 2,999.29, 4,138.92 and 1,673.22

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Solution

The fourth proportional to 2,999.29, 4,138.92 and 1,673.22 is: 2,308.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.29 : 4,138.92 = 1,673.22 : x
  2. Step 2: Convert to fraction form
    2,999.29/4,138.92 = 1,673.22/x
  3. Step 3: Cross multiply
    2,999.29x = 4,138.92 × 1,673.22
  4. Step 4: Simplify right side
    2,999.29x = 6,925,314.48
  5. Step 5: Solve for x
    x = 6,925,314.48/2,999.29
  6. Step 6: Final answer
    x = 2,308.99

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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.