Home / 4,079.16-5,623.86-2,817.96

Finding the Fourth Proportional to 4,079.16, 5,623.86 and 2,817.96

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Solution

The fourth proportional to 4,079.16, 5,623.86 and 2,817.96 is: 3,885.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.16 : 5,623.86 = 2,817.96 : x
  2. Step 2: Convert to fraction form
    4,079.16/5,623.86 = 2,817.96/x
  3. Step 3: Cross multiply
    4,079.16x = 5,623.86 × 2,817.96
  4. Step 4: Simplify right side
    4,079.16x = 15,847,812.53
  5. Step 5: Solve for x
    x = 15,847,812.53/4,079.16
  6. Step 6: Final answer
    x = 3,885.07

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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.