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Finding the Fourth Proportional to 7,157.52, 10,736.28 and 3,695.04

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Solution

The fourth proportional to 7,157.52, 10,736.28 and 3,695.04 is: 5,542.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157.52 : 10,736.28 = 3,695.04 : x
  2. Step 2: Convert to fraction form
    7,157.52/10,736.28 = 3,695.04/x
  3. Step 3: Cross multiply
    7,157.52x = 10,736.28 × 3,695.04
  4. Step 4: Simplify right side
    7,157.52x = 39,670,984.05
  5. Step 5: Solve for x
    x = 39,670,984.05/7,157.52
  6. Step 6: Final answer
    x = 5,542.56

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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.