Home / 5,748.72-8,623.62-2,238.99

Finding the Fourth Proportional to 5,748.72, 8,623.62 and 2,238.99

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Solution

The fourth proportional to 5,748.72, 8,623.62 and 2,238.99 is: 3,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748.72 : 8,623.62 = 2,238.99 : x
  2. Step 2: Convert to fraction form
    5,748.72/8,623.62 = 2,238.99/x
  3. Step 3: Cross multiply
    5,748.72x = 8,623.62 × 2,238.99
  4. Step 4: Simplify right side
    5,748.72x = 19,308,198.94
  5. Step 5: Solve for x
    x = 19,308,198.94/5,748.72
  6. Step 6: Final answer
    x = 3,358.70

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1.5x scale

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.