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Finding the Fourth Proportional to 2,960.92, 4,086.08 and 1,841.86

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Solution

The fourth proportional to 2,960.92, 4,086.08 and 1,841.86 is: 2,541.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.92 : 4,086.08 = 1,841.86 : x
  2. Step 2: Convert to fraction form
    2,960.92/4,086.08 = 1,841.86/x
  3. Step 3: Cross multiply
    2,960.92x = 4,086.08 × 1,841.86
  4. Step 4: Simplify right side
    2,960.92x = 7,525,987.31
  5. Step 5: Solve for x
    x = 7,525,987.31/2,960.92
  6. Step 6: Final answer
    x = 2,541.77

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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.