Home / 2,936.18-4,051.77-1,609.86

Finding the Fourth Proportional to 2,936.18, 4,051.77 and 1,609.86

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Solution

The fourth proportional to 2,936.18, 4,051.77 and 1,609.86 is: 2,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.18 : 4,051.77 = 1,609.86 : x
  2. Step 2: Convert to fraction form
    2,936.18/4,051.77 = 1,609.86/x
  3. Step 3: Cross multiply
    2,936.18x = 4,051.77 × 1,609.86
  4. Step 4: Simplify right side
    2,936.18x = 6,522,782.45
  5. Step 5: Solve for x
    x = 6,522,782.45/2,936.18
  6. Step 6: Final answer
    x = 2,221.52

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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.