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Finding the Fourth Proportional to 2,297.76, 3,169.48 and 2,003.74

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Solution

The fourth proportional to 2,297.76, 3,169.48 and 2,003.74 is: 2,763.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.76 : 3,169.48 = 2,003.74 : x
  2. Step 2: Convert to fraction form
    2,297.76/3,169.48 = 2,003.74/x
  3. Step 3: Cross multiply
    2,297.76x = 3,169.48 × 2,003.74
  4. Step 4: Simplify right side
    2,297.76x = 6,350,813.86
  5. Step 5: Solve for x
    x = 6,350,813.86/2,297.76
  6. Step 6: Final answer
    x = 2,763.92

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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.