Home / 6,865.21-10,291.65-2,481.67

Finding the Fourth Proportional to 6,865.21, 10,291.65 and 2,481.67

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Solution

The fourth proportional to 6,865.21, 10,291.65 and 2,481.67 is: 3,720.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.21 : 10,291.65 = 2,481.67 : x
  2. Step 2: Convert to fraction form
    6,865.21/10,291.65 = 2,481.67/x
  3. Step 3: Cross multiply
    6,865.21x = 10,291.65 × 2,481.67
  4. Step 4: Simplify right side
    6,865.21x = 25,540,479.06
  5. Step 5: Solve for x
    x = 25,540,479.06/6,865.21
  6. Step 6: Final answer
    x = 3,720.28

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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.