Home / 4,215.97-5,817.38-2,447.27

Finding the Fourth Proportional to 4,215.97, 5,817.38 and 2,447.27

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Solution

The fourth proportional to 4,215.97, 5,817.38 and 2,447.27 is: 3,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.97 : 5,817.38 = 2,447.27 : x
  2. Step 2: Convert to fraction form
    4,215.97/5,817.38 = 2,447.27/x
  3. Step 3: Cross multiply
    4,215.97x = 5,817.38 × 2,447.27
  4. Step 4: Simplify right side
    4,215.97x = 14,236,699.55
  5. Step 5: Solve for x
    x = 14,236,699.55/4,215.97
  6. Step 6: Final answer
    x = 3,376.85

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Half scale
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Double scale
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1.5x scale

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.