Home / 2,162.03-3,245.09-1,337.81

Finding the Fourth Proportional to 2,162.03, 3,245.09 and 1,337.81

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Solution

The fourth proportional to 2,162.03, 3,245.09 and 1,337.81 is: 2,007.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.03 : 3,245.09 = 1,337.81 : x
  2. Step 2: Convert to fraction form
    2,162.03/3,245.09 = 1,337.81/x
  3. Step 3: Cross multiply
    2,162.03x = 3,245.09 × 1,337.81
  4. Step 4: Simplify right side
    2,162.03x = 4,341,309.08
  5. Step 5: Solve for x
    x = 4,341,309.08/2,162.03
  6. Step 6: Final answer
    x = 2,007.98

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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.