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Finding the Fourth Proportional to 3,510.88, 4,839.41 and 2,763.65

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Solution

The fourth proportional to 3,510.88, 4,839.41 and 2,763.65 is: 3,809.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.88 : 4,839.41 = 2,763.65 : x
  2. Step 2: Convert to fraction form
    3,510.88/4,839.41 = 2,763.65/x
  3. Step 3: Cross multiply
    3,510.88x = 4,839.41 × 2,763.65
  4. Step 4: Simplify right side
    3,510.88x = 13,374,454.45
  5. Step 5: Solve for x
    x = 13,374,454.45/3,510.88
  6. Step 6: Final answer
    x = 3,809.43

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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.