Home / 3,723.76-5,139.72-2,546.44

Finding the Fourth Proportional to 3,723.76, 5,139.72 and 2,546.44

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Solution

The fourth proportional to 3,723.76, 5,139.72 and 2,546.44 is: 3,514.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.76 : 5,139.72 = 2,546.44 : x
  2. Step 2: Convert to fraction form
    3,723.76/5,139.72 = 2,546.44/x
  3. Step 3: Cross multiply
    3,723.76x = 5,139.72 × 2,546.44
  4. Step 4: Simplify right side
    3,723.76x = 13,087,988.60
  5. Step 5: Solve for x
    x = 13,087,988.60/3,723.76
  6. Step 6: Final answer
    x = 3,514.72

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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.