Home / 5,025.47-7,538.13-3,930.75

Finding the Fourth Proportional to 5,025.47, 7,538.13 and 3,930.75

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Solution

The fourth proportional to 5,025.47, 7,538.13 and 3,930.75 is: 5,896.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,025.47 : 7,538.13 = 3,930.75 : x
  2. Step 2: Convert to fraction form
    5,025.47/7,538.13 = 3,930.75/x
  3. Step 3: Cross multiply
    5,025.47x = 7,538.13 × 3,930.75
  4. Step 4: Simplify right side
    5,025.47x = 29,630,504.50
  5. Step 5: Solve for x
    x = 29,630,504.50/5,025.47
  6. Step 6: Final answer
    x = 5,896.07

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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.