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Finding the Fourth Proportional to 3,474.76, 5,212.86 and 1,526.92

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Solution

The fourth proportional to 3,474.76, 5,212.86 and 1,526.92 is: 2,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.76 : 5,212.86 = 1,526.92 : x
  2. Step 2: Convert to fraction form
    3,474.76/5,212.86 = 1,526.92/x
  3. Step 3: Cross multiply
    3,474.76x = 5,212.86 × 1,526.92
  4. Step 4: Simplify right side
    3,474.76x = 7,959,620.19
  5. Step 5: Solve for x
    x = 7,959,620.19/3,474.76
  6. Step 6: Final answer
    x = 2,290.70

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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.