Home / 4,768.44-7,151.78-1,994.36

Finding the Fourth Proportional to 4,768.44, 7,151.78 and 1,994.36

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Solution

The fourth proportional to 4,768.44, 7,151.78 and 1,994.36 is: 2,991.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.44 : 7,151.78 = 1,994.36 : x
  2. Step 2: Convert to fraction form
    4,768.44/7,151.78 = 1,994.36/x
  3. Step 3: Cross multiply
    4,768.44x = 7,151.78 × 1,994.36
  4. Step 4: Simplify right side
    4,768.44x = 14,263,223.96
  5. Step 5: Solve for x
    x = 14,263,223.96/4,768.44
  6. Step 6: Final answer
    x = 2,991.17

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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.