Home / 5,765.85-8,650.14-2,478.96

Finding the Fourth Proportional to 5,765.85, 8,650.14 and 2,478.96

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Solution

The fourth proportional to 5,765.85, 8,650.14 and 2,478.96 is: 3,719.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,765.85 : 8,650.14 = 2,478.96 : x
  2. Step 2: Convert to fraction form
    5,765.85/8,650.14 = 2,478.96/x
  3. Step 3: Cross multiply
    5,765.85x = 8,650.14 × 2,478.96
  4. Step 4: Simplify right side
    5,765.85x = 21,443,351.05
  5. Step 5: Solve for x
    x = 21,443,351.05/5,765.85
  6. Step 6: Final answer
    x = 3,719.03

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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.