Home / 3,576.22-5,363.66-979.14

Finding the Fourth Proportional to 3,576.22, 5,363.66 and 979.14

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Solution

The fourth proportional to 3,576.22, 5,363.66 and 979.14 is: 1,468.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.22 : 5,363.66 = 979.14 : x
  2. Step 2: Convert to fraction form
    3,576.22/5,363.66 = 979.14/x
  3. Step 3: Cross multiply
    3,576.22x = 5,363.66 × 979.14
  4. Step 4: Simplify right side
    3,576.22x = 5,251,774.05
  5. Step 5: Solve for x
    x = 5,251,774.05/3,576.22
  6. Step 6: Final answer
    x = 1,468.53

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1.5x scale

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.