Home / 3,176.44-4,765.50-985.24

Finding the Fourth Proportional to 3,176.44, 4,765.50 and 985.24

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Solution

The fourth proportional to 3,176.44, 4,765.50 and 985.24 is: 1,478.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.44 : 4,765.50 = 985.24 : x
  2. Step 2: Convert to fraction form
    3,176.44/4,765.50 = 985.24/x
  3. Step 3: Cross multiply
    3,176.44x = 4,765.50 × 985.24
  4. Step 4: Simplify right side
    3,176.44x = 4,695,161.22
  5. Step 5: Solve for x
    x = 4,695,161.22/3,176.44
  6. Step 6: Final answer
    x = 1,478.12

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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.