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Finding the Fourth Proportional to 2,796.88, 3,860.04 and 1,748.74

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Solution

The fourth proportional to 2,796.88, 3,860.04 and 1,748.74 is: 2,413.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.88 : 3,860.04 = 1,748.74 : x
  2. Step 2: Convert to fraction form
    2,796.88/3,860.04 = 1,748.74/x
  3. Step 3: Cross multiply
    2,796.88x = 3,860.04 × 1,748.74
  4. Step 4: Simplify right side
    2,796.88x = 6,750,206.35
  5. Step 5: Solve for x
    x = 6,750,206.35/2,796.88
  6. Step 6: Final answer
    x = 2,413.48

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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.