Home / 5,106.40-7,046.52-2,868.44

Finding the Fourth Proportional to 5,106.40, 7,046.52 and 2,868.44

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Solution

The fourth proportional to 5,106.40, 7,046.52 and 2,868.44 is: 3,958.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.40 : 7,046.52 = 2,868.44 : x
  2. Step 2: Convert to fraction form
    5,106.40/7,046.52 = 2,868.44/x
  3. Step 3: Cross multiply
    5,106.40x = 7,046.52 × 2,868.44
  4. Step 4: Simplify right side
    5,106.40x = 20,212,519.83
  5. Step 5: Solve for x
    x = 20,212,519.83/5,106.40
  6. Step 6: Final answer
    x = 3,958.27

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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.