Home / 5,187.92-7,767.30-4,663.04

Finding the Fourth Proportional to 5,187.92, 7,767.30 and 4,663.04

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Solution

The fourth proportional to 5,187.92, 7,767.30 and 4,663.04 is: 6,981.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.92 : 7,767.30 = 4,663.04 : x
  2. Step 2: Convert to fraction form
    5,187.92/7,767.30 = 4,663.04/x
  3. Step 3: Cross multiply
    5,187.92x = 7,767.30 × 4,663.04
  4. Step 4: Simplify right side
    5,187.92x = 36,219,230.59
  5. Step 5: Solve for x
    x = 36,219,230.59/5,187.92
  6. Step 6: Final answer
    x = 6,981.46

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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.