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Finding the Fourth Proportional to 4,253.84, 5,868.84 and 2,763.64

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Solution

The fourth proportional to 4,253.84, 5,868.84 and 2,763.64 is: 3,812.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.84 : 5,868.84 = 2,763.64 : x
  2. Step 2: Convert to fraction form
    4,253.84/5,868.84 = 2,763.64/x
  3. Step 3: Cross multiply
    4,253.84x = 5,868.84 × 2,763.64
  4. Step 4: Simplify right side
    4,253.84x = 16,219,360.98
  5. Step 5: Solve for x
    x = 16,219,360.98/4,253.84
  6. Step 6: Final answer
    x = 3,812.88

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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.