Home / 4,787.22-7,181.84-2,416.65

Finding the Fourth Proportional to 4,787.22, 7,181.84 and 2,416.65

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Solution

The fourth proportional to 4,787.22, 7,181.84 and 2,416.65 is: 3,625.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.22 : 7,181.84 = 2,416.65 : x
  2. Step 2: Convert to fraction form
    4,787.22/7,181.84 = 2,416.65/x
  3. Step 3: Cross multiply
    4,787.22x = 7,181.84 × 2,416.65
  4. Step 4: Simplify right side
    4,787.22x = 17,355,993.64
  5. Step 5: Solve for x
    x = 17,355,993.64/4,787.22
  6. Step 6: Final answer
    x = 3,625.48

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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.