Home / 1,192.08-1,788.55-533.90

Finding the Fourth Proportional to 1,192.08, 1,788.55 and 533.90

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Solution

The fourth proportional to 1,192.08, 1,788.55 and 533.90 is: 801.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.08 : 1,788.55 = 533.90 : x
  2. Step 2: Convert to fraction form
    1,192.08/1,788.55 = 533.90/x
  3. Step 3: Cross multiply
    1,192.08x = 1,788.55 × 533.90
  4. Step 4: Simplify right side
    1,192.08x = 954,906.85
  5. Step 5: Solve for x
    x = 954,906.85/1,192.08
  6. Step 6: Final answer
    x = 801.04

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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.