Home / 5,025.30-7,536.60-2,103.90

Finding the Fourth Proportional to 5,025.30, 7,536.60 and 2,103.90

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Solution

The fourth proportional to 5,025.30, 7,536.60 and 2,103.90 is: 3,155.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,025.30 : 7,536.60 = 2,103.90 : x
  2. Step 2: Convert to fraction form
    5,025.30/7,536.60 = 2,103.90/x
  3. Step 3: Cross multiply
    5,025.30x = 7,536.60 × 2,103.90
  4. Step 4: Simplify right side
    5,025.30x = 15,856,252.74
  5. Step 5: Solve for x
    x = 15,856,252.74/5,025.30
  6. Step 6: Final answer
    x = 3,155.28

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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.