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Finding the Fourth Proportional to 3,503.92, 5,255.97 and 1,038.73

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Solution

The fourth proportional to 3,503.92, 5,255.97 and 1,038.73 is: 1,558.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.92 : 5,255.97 = 1,038.73 : x
  2. Step 2: Convert to fraction form
    3,503.92/5,255.97 = 1,038.73/x
  3. Step 3: Cross multiply
    3,503.92x = 5,255.97 × 1,038.73
  4. Step 4: Simplify right side
    3,503.92x = 5,459,533.72
  5. Step 5: Solve for x
    x = 5,459,533.72/3,503.92
  6. Step 6: Final answer
    x = 1,558.12

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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.