Home / 5,458.70-8,181.20-2,335.04

Finding the Fourth Proportional to 5,458.70, 8,181.20 and 2,335.04

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Solution

The fourth proportional to 5,458.70, 8,181.20 and 2,335.04 is: 3,499.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.70 : 8,181.20 = 2,335.04 : x
  2. Step 2: Convert to fraction form
    5,458.70/8,181.20 = 2,335.04/x
  3. Step 3: Cross multiply
    5,458.70x = 8,181.20 × 2,335.04
  4. Step 4: Simplify right side
    5,458.70x = 19,103,376.67
  5. Step 5: Solve for x
    x = 19,103,376.67/5,458.70
  6. Step 6: Final answer
    x = 3,499.62

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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.