Home / 5,345.60-8,020.92-2,059.88

Finding the Fourth Proportional to 5,345.60, 8,020.92 and 2,059.88

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Solution

The fourth proportional to 5,345.60, 8,020.92 and 2,059.88 is: 3,090.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.60 : 8,020.92 = 2,059.88 : x
  2. Step 2: Convert to fraction form
    5,345.60/8,020.92 = 2,059.88/x
  3. Step 3: Cross multiply
    5,345.60x = 8,020.92 × 2,059.88
  4. Step 4: Simplify right side
    5,345.60x = 16,522,132.69
  5. Step 5: Solve for x
    x = 16,522,132.69/5,345.60
  6. Step 6: Final answer
    x = 3,090.79

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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.