Home / 5,192.25-7,788.38-1,729.50

Finding the Fourth Proportional to 5,192.25, 7,788.38 and 1,729.50

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Solution

The fourth proportional to 5,192.25, 7,788.38 and 1,729.50 is: 2,594.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.25 : 7,788.38 = 1,729.50 : x
  2. Step 2: Convert to fraction form
    5,192.25/7,788.38 = 1,729.50/x
  3. Step 3: Cross multiply
    5,192.25x = 7,788.38 × 1,729.50
  4. Step 4: Simplify right side
    5,192.25x = 13,469,994.56
  5. Step 5: Solve for x
    x = 13,469,994.56/5,192.25
  6. Step 6: Final answer
    x = 2,594.25

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Double scale
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Similar ratio
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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.