Home / 7,455.88-11,179.62-3,076.48

Finding the Fourth Proportional to 7,455.88, 11,179.62 and 3,076.48

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Solution

The fourth proportional to 7,455.88, 11,179.62 and 3,076.48 is: 4,612.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.88 : 11,179.62 = 3,076.48 : x
  2. Step 2: Convert to fraction form
    7,455.88/11,179.62 = 3,076.48/x
  3. Step 3: Cross multiply
    7,455.88x = 11,179.62 × 3,076.48
  4. Step 4: Simplify right side
    7,455.88x = 34,393,877.34
  5. Step 5: Solve for x
    x = 34,393,877.34/7,455.88
  6. Step 6: Final answer
    x = 4,612.99

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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.