Home / 2,027.08-2,798.13-1,400.86

Finding the Fourth Proportional to 2,027.08, 2,798.13 and 1,400.86

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Solution

The fourth proportional to 2,027.08, 2,798.13 and 1,400.86 is: 1,933.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.08 : 2,798.13 = 1,400.86 : x
  2. Step 2: Convert to fraction form
    2,027.08/2,798.13 = 1,400.86/x
  3. Step 3: Cross multiply
    2,027.08x = 2,798.13 × 1,400.86
  4. Step 4: Simplify right side
    2,027.08x = 3,919,788.39
  5. Step 5: Solve for x
    x = 3,919,788.39/2,027.08
  6. Step 6: Final answer
    x = 1,933.71

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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.