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Finding the Fourth Proportional to 3,093.60, 4,640.70 and 902.34

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Solution

The fourth proportional to 3,093.60, 4,640.70 and 902.34 is: 1,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,093.60 : 4,640.70 = 902.34 : x
  2. Step 2: Convert to fraction form
    3,093.60/4,640.70 = 902.34/x
  3. Step 3: Cross multiply
    3,093.60x = 4,640.70 × 902.34
  4. Step 4: Simplify right side
    3,093.60x = 4,187,489.24
  5. Step 5: Solve for x
    x = 4,187,489.24/3,093.60
  6. Step 6: Final answer
    x = 1,353.60

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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.