Home / 3,848.87-5,311.44-2,080.48

Finding the Fourth Proportional to 3,848.87, 5,311.44 and 2,080.48

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Solution

The fourth proportional to 3,848.87, 5,311.44 and 2,080.48 is: 2,871.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.87 : 5,311.44 = 2,080.48 : x
  2. Step 2: Convert to fraction form
    3,848.87/5,311.44 = 2,080.48/x
  3. Step 3: Cross multiply
    3,848.87x = 5,311.44 × 2,080.48
  4. Step 4: Simplify right side
    3,848.87x = 11,050,344.69
  5. Step 5: Solve for x
    x = 11,050,344.69/3,848.87
  6. Step 6: Final answer
    x = 2,871.06

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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.