Home / 5,079.30-7,616.66-2,305.86

Finding the Fourth Proportional to 5,079.30, 7,616.66 and 2,305.86

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Solution

The fourth proportional to 5,079.30, 7,616.66 and 2,305.86 is: 3,457.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.30 : 7,616.66 = 2,305.86 : x
  2. Step 2: Convert to fraction form
    5,079.30/7,616.66 = 2,305.86/x
  3. Step 3: Cross multiply
    5,079.30x = 7,616.66 × 2,305.86
  4. Step 4: Simplify right side
    5,079.30x = 17,562,951.63
  5. Step 5: Solve for x
    x = 17,562,951.63/5,079.30
  6. Step 6: Final answer
    x = 3,457.75

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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.