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Finding the Fourth Proportional to 5,125.96, 7,687.02 and 4,043.08

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Solution

The fourth proportional to 5,125.96, 7,687.02 and 4,043.08 is: 6,063.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.96 : 7,687.02 = 4,043.08 : x
  2. Step 2: Convert to fraction form
    5,125.96/7,687.02 = 4,043.08/x
  3. Step 3: Cross multiply
    5,125.96x = 7,687.02 × 4,043.08
  4. Step 4: Simplify right side
    5,125.96x = 31,079,236.82
  5. Step 5: Solve for x
    x = 31,079,236.82/5,125.96
  6. Step 6: Final answer
    x = 6,063.11

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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.