Home / 1,983.50-2,738.38-1,518.62

Finding the Fourth Proportional to 1,983.50, 2,738.38 and 1,518.62

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Solution

The fourth proportional to 1,983.50, 2,738.38 and 1,518.62 is: 2,096.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.50 : 2,738.38 = 1,518.62 : x
  2. Step 2: Convert to fraction form
    1,983.50/2,738.38 = 1,518.62/x
  3. Step 3: Cross multiply
    1,983.50x = 2,738.38 × 1,518.62
  4. Step 4: Simplify right side
    1,983.50x = 4,158,558.64
  5. Step 5: Solve for x
    x = 4,158,558.64/1,983.50
  6. Step 6: Final answer
    x = 2,096.58

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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.