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Finding the Fourth Proportional to 5,254.76, 7,251.44 and 3,934.32

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Solution

The fourth proportional to 5,254.76, 7,251.44 and 3,934.32 is: 5,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.76 : 7,251.44 = 3,934.32 : x
  2. Step 2: Convert to fraction form
    5,254.76/7,251.44 = 3,934.32/x
  3. Step 3: Cross multiply
    5,254.76x = 7,251.44 × 3,934.32
  4. Step 4: Simplify right side
    5,254.76x = 28,529,465.75
  5. Step 5: Solve for x
    x = 28,529,465.75/5,254.76
  6. Step 6: Final answer
    x = 5,429.27

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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.