Home / 5,790.60-8,680.19-2,278.41

Finding the Fourth Proportional to 5,790.60, 8,680.19 and 2,278.41

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Solution

The fourth proportional to 5,790.60, 8,680.19 and 2,278.41 is: 3,415.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.60 : 8,680.19 = 2,278.41 : x
  2. Step 2: Convert to fraction form
    5,790.60/8,680.19 = 2,278.41/x
  3. Step 3: Cross multiply
    5,790.60x = 8,680.19 × 2,278.41
  4. Step 4: Simplify right side
    5,790.60x = 19,777,020.31
  5. Step 5: Solve for x
    x = 19,777,020.31/5,790.60
  6. Step 6: Final answer
    x = 3,415.37

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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.