Home / 7,025.87-9,695.67-3,882.05

Finding the Fourth Proportional to 7,025.87, 9,695.67 and 3,882.05

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Solution

The fourth proportional to 7,025.87, 9,695.67 and 3,882.05 is: 5,357.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.87 : 9,695.67 = 3,882.05 : x
  2. Step 2: Convert to fraction form
    7,025.87/9,695.67 = 3,882.05/x
  3. Step 3: Cross multiply
    7,025.87x = 9,695.67 × 3,882.05
  4. Step 4: Simplify right side
    7,025.87x = 37,639,027.25
  5. Step 5: Solve for x
    x = 37,639,027.25/7,025.87
  6. Step 6: Final answer
    x = 5,357.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.