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Finding the Fourth Proportional to 3,379.57, 4,661.12 and 2,053.24

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Solution

The fourth proportional to 3,379.57, 4,661.12 and 2,053.24 is: 2,831.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.57 : 4,661.12 = 2,053.24 : x
  2. Step 2: Convert to fraction form
    3,379.57/4,661.12 = 2,053.24/x
  3. Step 3: Cross multiply
    3,379.57x = 4,661.12 × 2,053.24
  4. Step 4: Simplify right side
    3,379.57x = 9,570,398.03
  5. Step 5: Solve for x
    x = 9,570,398.03/3,379.57
  6. Step 6: Final answer
    x = 2,831.84

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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.