Home / 4,919.44-7,382.84-1,999.76

Finding the Fourth Proportional to 4,919.44, 7,382.84 and 1,999.76

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Solution

The fourth proportional to 4,919.44, 7,382.84 and 1,999.76 is: 3,001.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.44 : 7,382.84 = 1,999.76 : x
  2. Step 2: Convert to fraction form
    4,919.44/7,382.84 = 1,999.76/x
  3. Step 3: Cross multiply
    4,919.44x = 7,382.84 × 1,999.76
  4. Step 4: Simplify right side
    4,919.44x = 14,763,908.12
  5. Step 5: Solve for x
    x = 14,763,908.12/4,919.44
  6. Step 6: Final answer
    x = 3,001.14

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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.