Home / 3,074.76-4,243.52-1,748.66

Finding the Fourth Proportional to 3,074.76, 4,243.52 and 1,748.66

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Solution

The fourth proportional to 3,074.76, 4,243.52 and 1,748.66 is: 2,413.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.76 : 4,243.52 = 1,748.66 : x
  2. Step 2: Convert to fraction form
    3,074.76/4,243.52 = 1,748.66/x
  3. Step 3: Cross multiply
    3,074.76x = 4,243.52 × 1,748.66
  4. Step 4: Simplify right side
    3,074.76x = 7,420,473.68
  5. Step 5: Solve for x
    x = 7,420,473.68/3,074.76
  6. Step 6: Final answer
    x = 2,413.35

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Half scale
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Double scale
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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.