Home / 5,079.84-7,615.08-2,481.36

Finding the Fourth Proportional to 5,079.84, 7,615.08 and 2,481.36

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Solution

The fourth proportional to 5,079.84, 7,615.08 and 2,481.36 is: 3,719.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.84 : 7,615.08 = 2,481.36 : x
  2. Step 2: Convert to fraction form
    5,079.84/7,615.08 = 2,481.36/x
  3. Step 3: Cross multiply
    5,079.84x = 7,615.08 × 2,481.36
  4. Step 4: Simplify right side
    5,079.84x = 18,895,754.91
  5. Step 5: Solve for x
    x = 18,895,754.91/5,079.84
  6. Step 6: Final answer
    x = 3,719.75

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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.