Home / 5,025.30-7,540.89-2,103.36

Finding the Fourth Proportional to 5,025.30, 7,540.89 and 2,103.36

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Solution

The fourth proportional to 5,025.30, 7,540.89 and 2,103.36 is: 3,156.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,025.30 : 7,540.89 = 2,103.36 : x
  2. Step 2: Convert to fraction form
    5,025.30/7,540.89 = 2,103.36/x
  3. Step 3: Cross multiply
    5,025.30x = 7,540.89 × 2,103.36
  4. Step 4: Simplify right side
    5,025.30x = 15,861,206.39
  5. Step 5: Solve for x
    x = 15,861,206.39/5,025.30
  6. Step 6: Final answer
    x = 3,156.27

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1.5x scale

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.