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Finding the Fourth Proportional to 4,113.70, 6,170.50 and 1,035.70

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Solution

The fourth proportional to 4,113.70, 6,170.50 and 1,035.70 is: 1,553.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.70 : 6,170.50 = 1,035.70 : x
  2. Step 2: Convert to fraction form
    4,113.70/6,170.50 = 1,035.70/x
  3. Step 3: Cross multiply
    4,113.70x = 6,170.50 × 1,035.70
  4. Step 4: Simplify right side
    4,113.70x = 6,390,786.85
  5. Step 5: Solve for x
    x = 6,390,786.85/4,113.70
  6. Step 6: Final answer
    x = 1,553.54

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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.