Home / 3,680.46-5,079.50-2,108.56

Finding the Fourth Proportional to 3,680.46, 5,079.50 and 2,108.56

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Solution

The fourth proportional to 3,680.46, 5,079.50 and 2,108.56 is: 2,910.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.46 : 5,079.50 = 2,108.56 : x
  2. Step 2: Convert to fraction form
    3,680.46/5,079.50 = 2,108.56/x
  3. Step 3: Cross multiply
    3,680.46x = 5,079.50 × 2,108.56
  4. Step 4: Simplify right side
    3,680.46x = 10,710,430.52
  5. Step 5: Solve for x
    x = 10,710,430.52/3,680.46
  6. Step 6: Final answer
    x = 2,910.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.