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Finding the Fourth Proportional to 4,289.64, 5,919.24 and 2,695.92

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Solution

The fourth proportional to 4,289.64, 5,919.24 and 2,695.92 is: 3,720.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.64 : 5,919.24 = 2,695.92 : x
  2. Step 2: Convert to fraction form
    4,289.64/5,919.24 = 2,695.92/x
  3. Step 3: Cross multiply
    4,289.64x = 5,919.24 × 2,695.92
  4. Step 4: Simplify right side
    4,289.64x = 15,957,797.50
  5. Step 5: Solve for x
    x = 15,957,797.50/4,289.64
  6. Step 6: Final answer
    x = 3,720.08

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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.