Home / 5,193.21-7,166.62-2,835.35

Finding the Fourth Proportional to 5,193.21, 7,166.62 and 2,835.35

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Solution

The fourth proportional to 5,193.21, 7,166.62 and 2,835.35 is: 3,912.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.21 : 7,166.62 = 2,835.35 : x
  2. Step 2: Convert to fraction form
    5,193.21/7,166.62 = 2,835.35/x
  3. Step 3: Cross multiply
    5,193.21x = 7,166.62 × 2,835.35
  4. Step 4: Simplify right side
    5,193.21x = 20,319,856.23
  5. Step 5: Solve for x
    x = 20,319,856.23/5,193.21
  6. Step 6: Final answer
    x = 3,912.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.