Home / 5,222.38-7,206.74-2,983.90

Finding the Fourth Proportional to 5,222.38, 7,206.74 and 2,983.90

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Solution

The fourth proportional to 5,222.38, 7,206.74 and 2,983.90 is: 4,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.38 : 7,206.74 = 2,983.90 : x
  2. Step 2: Convert to fraction form
    5,222.38/7,206.74 = 2,983.90/x
  3. Step 3: Cross multiply
    5,222.38x = 7,206.74 × 2,983.90
  4. Step 4: Simplify right side
    5,222.38x = 21,504,191.49
  5. Step 5: Solve for x
    x = 21,504,191.49/5,222.38
  6. Step 6: Final answer
    x = 4,117.70

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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.