Home / 6,942.74-10,415.28-2,261.42

Finding the Fourth Proportional to 6,942.74, 10,415.28 and 2,261.42

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Solution

The fourth proportional to 6,942.74, 10,415.28 and 2,261.42 is: 3,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.74 : 10,415.28 = 2,261.42 : x
  2. Step 2: Convert to fraction form
    6,942.74/10,415.28 = 2,261.42/x
  3. Step 3: Cross multiply
    6,942.74x = 10,415.28 × 2,261.42
  4. Step 4: Simplify right side
    6,942.74x = 23,553,317.96
  5. Step 5: Solve for x
    x = 23,553,317.96/6,942.74
  6. Step 6: Final answer
    x = 3,392.51

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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.