Home / 4,414.78-6,612.09-2,107.90

Finding the Fourth Proportional to 4,414.78, 6,612.09 and 2,107.90

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Solution

The fourth proportional to 4,414.78, 6,612.09 and 2,107.90 is: 3,157.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,414.78 : 6,612.09 = 2,107.90 : x
  2. Step 2: Convert to fraction form
    4,414.78/6,612.09 = 2,107.90/x
  3. Step 3: Cross multiply
    4,414.78x = 6,612.09 × 2,107.90
  4. Step 4: Simplify right side
    4,414.78x = 13,937,624.51
  5. Step 5: Solve for x
    x = 13,937,624.51/4,414.78
  6. Step 6: Final answer
    x = 3,157.04

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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.