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Finding the Fourth Proportional to 2,060.46, 3,089.96 and 890.41

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Solution

The fourth proportional to 2,060.46, 3,089.96 and 890.41 is: 1,335.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,060.46 : 3,089.96 = 890.41 : x
  2. Step 2: Convert to fraction form
    2,060.46/3,089.96 = 890.41/x
  3. Step 3: Cross multiply
    2,060.46x = 3,089.96 × 890.41
  4. Step 4: Simplify right side
    2,060.46x = 2,751,337.90
  5. Step 5: Solve for x
    x = 2,751,337.90/2,060.46
  6. Step 6: Final answer
    x = 1,335.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.