Home / 5,310.70-7,321.17-3,541.66

Finding the Fourth Proportional to 5,310.70, 7,321.17 and 3,541.66

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Solution

The fourth proportional to 5,310.70, 7,321.17 and 3,541.66 is: 4,882.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.70 : 7,321.17 = 3,541.66 : x
  2. Step 2: Convert to fraction form
    5,310.70/7,321.17 = 3,541.66/x
  3. Step 3: Cross multiply
    5,310.70x = 7,321.17 × 3,541.66
  4. Step 4: Simplify right side
    5,310.70x = 25,929,094.94
  5. Step 5: Solve for x
    x = 25,929,094.94/5,310.70
  6. Step 6: Final answer
    x = 4,882.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.