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Finding the Fourth Proportional to 4,235.90, 6,346.92 and 4,073.90

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Solution

The fourth proportional to 4,235.90, 6,346.92 and 4,073.90 is: 6,104.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,235.90 : 6,346.92 = 4,073.90 : x
  2. Step 2: Convert to fraction form
    4,235.90/6,346.92 = 4,073.90/x
  3. Step 3: Cross multiply
    4,235.90x = 6,346.92 × 4,073.90
  4. Step 4: Simplify right side
    4,235.90x = 25,856,717.39
  5. Step 5: Solve for x
    x = 25,856,717.39/4,235.90
  6. Step 6: Final answer
    x = 6,104.19

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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.