Home / 5,024.60-7,539.60-2,103.20

Finding the Fourth Proportional to 5,024.60, 7,539.60 and 2,103.20

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Solution

The fourth proportional to 5,024.60, 7,539.60 and 2,103.20 is: 3,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,024.60 : 7,539.60 = 2,103.20 : x
  2. Step 2: Convert to fraction form
    5,024.60/7,539.60 = 2,103.20/x
  3. Step 3: Cross multiply
    5,024.60x = 7,539.60 × 2,103.20
  4. Step 4: Simplify right side
    5,024.60x = 15,857,286.72
  5. Step 5: Solve for x
    x = 15,857,286.72/5,024.60
  6. Step 6: Final answer
    x = 3,155.93

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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.