Home / 5,790.80-8,679.72-4,634.12

Finding the Fourth Proportional to 5,790.80, 8,679.72 and 4,634.12

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Solution

The fourth proportional to 5,790.80, 8,679.72 and 4,634.12 is: 6,945.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.80 : 8,679.72 = 4,634.12 : x
  2. Step 2: Convert to fraction form
    5,790.80/8,679.72 = 4,634.12/x
  3. Step 3: Cross multiply
    5,790.80x = 8,679.72 × 4,634.12
  4. Step 4: Simplify right side
    5,790.80x = 40,222,864.05
  5. Step 5: Solve for x
    x = 40,222,864.05/5,790.80
  6. Step 6: Final answer
    x = 6,945.99

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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.