Home / 5,618.27-7,753.21-3,100.38

Finding the Fourth Proportional to 5,618.27, 7,753.21 and 3,100.38

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Solution

The fourth proportional to 5,618.27, 7,753.21 and 3,100.38 is: 4,278.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.27 : 7,753.21 = 3,100.38 : x
  2. Step 2: Convert to fraction form
    5,618.27/7,753.21 = 3,100.38/x
  3. Step 3: Cross multiply
    5,618.27x = 7,753.21 × 3,100.38
  4. Step 4: Simplify right side
    5,618.27x = 24,037,889.47
  5. Step 5: Solve for x
    x = 24,037,889.47/5,618.27
  6. Step 6: Final answer
    x = 4,278.52

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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.