Home / 3,999.48-5,519.46-2,673.72

Finding the Fourth Proportional to 3,999.48, 5,519.46 and 2,673.72

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Solution

The fourth proportional to 3,999.48, 5,519.46 and 2,673.72 is: 3,689.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.48 : 5,519.46 = 2,673.72 : x
  2. Step 2: Convert to fraction form
    3,999.48/5,519.46 = 2,673.72/x
  3. Step 3: Cross multiply
    3,999.48x = 5,519.46 × 2,673.72
  4. Step 4: Simplify right side
    3,999.48x = 14,757,490.59
  5. Step 5: Solve for x
    x = 14,757,490.59/3,999.48
  6. Step 6: Final answer
    x = 3,689.85

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1.5x scale

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.