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Finding the Fourth Proportional to 5,772.46, 7,966.03 and 3,119.87

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Solution

The fourth proportional to 5,772.46, 7,966.03 and 3,119.87 is: 4,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772.46 : 7,966.03 = 3,119.87 : x
  2. Step 2: Convert to fraction form
    5,772.46/7,966.03 = 3,119.87/x
  3. Step 3: Cross multiply
    5,772.46x = 7,966.03 × 3,119.87
  4. Step 4: Simplify right side
    5,772.46x = 24,852,945.99
  5. Step 5: Solve for x
    x = 24,852,945.99/5,772.46
  6. Step 6: Final answer
    x = 4,305.43

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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.