Home / 7,787.52-11,682.27-2,522.70

Finding the Fourth Proportional to 7,787.52, 11,682.27 and 2,522.70

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Solution

The fourth proportional to 7,787.52, 11,682.27 and 2,522.70 is: 3,784.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.52 : 11,682.27 = 2,522.70 : x
  2. Step 2: Convert to fraction form
    7,787.52/11,682.27 = 2,522.70/x
  3. Step 3: Cross multiply
    7,787.52x = 11,682.27 × 2,522.70
  4. Step 4: Simplify right side
    7,787.52x = 29,470,862.53
  5. Step 5: Solve for x
    x = 29,470,862.53/7,787.52
  6. Step 6: Final answer
    x = 3,784.37

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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.