Home / 4,308.10-6,463.35-2,116.90

Finding the Fourth Proportional to 4,308.10, 6,463.35 and 2,116.90

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Solution

The fourth proportional to 4,308.10, 6,463.35 and 2,116.90 is: 3,175.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.10 : 6,463.35 = 2,116.90 : x
  2. Step 2: Convert to fraction form
    4,308.10/6,463.35 = 2,116.90/x
  3. Step 3: Cross multiply
    4,308.10x = 6,463.35 × 2,116.90
  4. Step 4: Simplify right side
    4,308.10x = 13,682,265.62
  5. Step 5: Solve for x
    x = 13,682,265.62/4,308.10
  6. Step 6: Final answer
    x = 3,175.94

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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.