Home / 5,025.80-7,541.64-2,103.86

Finding the Fourth Proportional to 5,025.80, 7,541.64 and 2,103.86

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Solution

The fourth proportional to 5,025.80, 7,541.64 and 2,103.86 is: 3,157.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,025.80 : 7,541.64 = 2,103.86 : x
  2. Step 2: Convert to fraction form
    5,025.80/7,541.64 = 2,103.86/x
  3. Step 3: Cross multiply
    5,025.80x = 7,541.64 × 2,103.86
  4. Step 4: Simplify right side
    5,025.80x = 15,866,554.73
  5. Step 5: Solve for x
    x = 15,866,554.73/5,025.80
  6. Step 6: Final answer
    x = 3,157.02

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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.