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Finding the Fourth Proportional to 4,215.99, 5,817.99 and 2,327.52

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Solution

The fourth proportional to 4,215.99, 5,817.99 and 2,327.52 is: 3,211.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.99 : 5,817.99 = 2,327.52 : x
  2. Step 2: Convert to fraction form
    4,215.99/5,817.99 = 2,327.52/x
  3. Step 3: Cross multiply
    4,215.99x = 5,817.99 × 2,327.52
  4. Step 4: Simplify right side
    4,215.99x = 13,541,488.08
  5. Step 5: Solve for x
    x = 13,541,488.08/4,215.99
  6. Step 6: Final answer
    x = 3,211.94

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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.