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Finding the Fourth Proportional to 3,371.41, 5,056.80 and 906.14

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Solution

The fourth proportional to 3,371.41, 5,056.80 and 906.14 is: 1,359.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.41 : 5,056.80 = 906.14 : x
  2. Step 2: Convert to fraction form
    3,371.41/5,056.80 = 906.14/x
  3. Step 3: Cross multiply
    3,371.41x = 5,056.80 × 906.14
  4. Step 4: Simplify right side
    3,371.41x = 4,582,168.75
  5. Step 5: Solve for x
    x = 4,582,168.75/3,371.41
  6. Step 6: Final answer
    x = 1,359.13

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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.