Home / 5,414-8,121.40-2,336

Finding the Fourth Proportional to 5,414, 8,121.40 and 2,336

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Solution

The fourth proportional to 5,414, 8,121.40 and 2,336 is: 3,504.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414 : 8,121.40 = 2,336 : x
  2. Step 2: Convert to fraction form
    5,414/8,121.40 = 2,336/x
  3. Step 3: Cross multiply
    5,414x = 8,121.40 × 2,336
  4. Step 4: Simplify right side
    5,414x = 18,971,590.40
  5. Step 5: Solve for x
    x = 18,971,590.40/5,414
  6. Step 6: Final answer
    x = 3,504.17

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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.