Home / 4,469.12-6,168.81-3,146.70

Finding the Fourth Proportional to 4,469.12, 6,168.81 and 3,146.70

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Solution

The fourth proportional to 4,469.12, 6,168.81 and 3,146.70 is: 4,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,469.12 : 6,168.81 = 3,146.70 : x
  2. Step 2: Convert to fraction form
    4,469.12/6,168.81 = 3,146.70/x
  3. Step 3: Cross multiply
    4,469.12x = 6,168.81 × 3,146.70
  4. Step 4: Simplify right side
    4,469.12x = 19,411,376.96
  5. Step 5: Solve for x
    x = 19,411,376.96/4,469.12
  6. Step 6: Final answer
    x = 4,343.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.