Home / 5,817.34-8,728.35-2,119.83

Finding the Fourth Proportional to 5,817.34, 8,728.35 and 2,119.83

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Solution

The fourth proportional to 5,817.34, 8,728.35 and 2,119.83 is: 3,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.34 : 8,728.35 = 2,119.83 : x
  2. Step 2: Convert to fraction form
    5,817.34/8,728.35 = 2,119.83/x
  3. Step 3: Cross multiply
    5,817.34x = 8,728.35 × 2,119.83
  4. Step 4: Simplify right side
    5,817.34x = 18,502,618.18
  5. Step 5: Solve for x
    x = 18,502,618.18/5,817.34
  6. Step 6: Final answer
    x = 3,180.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.