Home / 7,940.88-10,960.68-4,797.28

Finding the Fourth Proportional to 7,940.88, 10,960.68 and 4,797.28

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Solution

The fourth proportional to 7,940.88, 10,960.68 and 4,797.28 is: 6,621.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.88 : 10,960.68 = 4,797.28 : x
  2. Step 2: Convert to fraction form
    7,940.88/10,960.68 = 4,797.28/x
  3. Step 3: Cross multiply
    7,940.88x = 10,960.68 × 4,797.28
  4. Step 4: Simplify right side
    7,940.88x = 52,581,450.95
  5. Step 5: Solve for x
    x = 52,581,450.95/7,940.88
  6. Step 6: Final answer
    x = 6,621.62

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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.