Home / 5,388.08-8,082.68-1,492.49

Finding the Fourth Proportional to 5,388.08, 8,082.68 and 1,492.49

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Solution

The fourth proportional to 5,388.08, 8,082.68 and 1,492.49 is: 2,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.08 : 8,082.68 = 1,492.49 : x
  2. Step 2: Convert to fraction form
    5,388.08/8,082.68 = 1,492.49/x
  3. Step 3: Cross multiply
    5,388.08x = 8,082.68 × 1,492.49
  4. Step 4: Simplify right side
    5,388.08x = 12,063,292.49
  5. Step 5: Solve for x
    x = 12,063,292.49/5,388.08
  6. Step 6: Final answer
    x = 2,238.89

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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.