Home / 5,022.38-6,930-2,897.46

Finding the Fourth Proportional to 5,022.38, 6,930 and 2,897.46

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Solution

The fourth proportional to 5,022.38, 6,930 and 2,897.46 is: 3,997.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.38 : 6,930 = 2,897.46 : x
  2. Step 2: Convert to fraction form
    5,022.38/6,930 = 2,897.46/x
  3. Step 3: Cross multiply
    5,022.38x = 6,930 × 2,897.46
  4. Step 4: Simplify right side
    5,022.38x = 20,079,397.80
  5. Step 5: Solve for x
    x = 20,079,397.80/5,022.38
  6. Step 6: Final answer
    x = 3,997.98

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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.