Home / 5,414.38-7,471.86-2,930.38

Finding the Fourth Proportional to 5,414.38, 7,471.86 and 2,930.38

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Solution

The fourth proportional to 5,414.38, 7,471.86 and 2,930.38 is: 4,043.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.38 : 7,471.86 = 2,930.38 : x
  2. Step 2: Convert to fraction form
    5,414.38/7,471.86 = 2,930.38/x
  3. Step 3: Cross multiply
    5,414.38x = 7,471.86 × 2,930.38
  4. Step 4: Simplify right side
    5,414.38x = 21,895,389.11
  5. Step 5: Solve for x
    x = 21,895,389.11/5,414.38
  6. Step 6: Final answer
    x = 4,043.93

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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.