Home / 7,787.22-11,676.51-2,590.26

Finding the Fourth Proportional to 7,787.22, 11,676.51 and 2,590.26

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Solution

The fourth proportional to 7,787.22, 11,676.51 and 2,590.26 is: 3,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.22 : 11,676.51 = 2,590.26 : x
  2. Step 2: Convert to fraction form
    7,787.22/11,676.51 = 2,590.26/x
  3. Step 3: Cross multiply
    7,787.22x = 11,676.51 × 2,590.26
  4. Step 4: Simplify right side
    7,787.22x = 30,245,196.79
  5. Step 5: Solve for x
    x = 30,245,196.79/7,787.22
  6. Step 6: Final answer
    x = 3,883.95

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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.