Home / 5,620.92-8,442.30-4,581.68

Finding the Fourth Proportional to 5,620.92, 8,442.30 and 4,581.68

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Solution

The fourth proportional to 5,620.92, 8,442.30 and 4,581.68 is: 6,881.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.92 : 8,442.30 = 4,581.68 : x
  2. Step 2: Convert to fraction form
    5,620.92/8,442.30 = 4,581.68/x
  3. Step 3: Cross multiply
    5,620.92x = 8,442.30 × 4,581.68
  4. Step 4: Simplify right side
    5,620.92x = 38,679,917.06
  5. Step 5: Solve for x
    x = 38,679,917.06/5,620.92
  6. Step 6: Final answer
    x = 6,881.42

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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.