Home / 2,621.94-3,923.67-2,000.70

Finding the Fourth Proportional to 2,621.94, 3,923.67 and 2,000.70

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Solution

The fourth proportional to 2,621.94, 3,923.67 and 2,000.70 is: 2,994.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.94 : 3,923.67 = 2,000.70 : x
  2. Step 2: Convert to fraction form
    2,621.94/3,923.67 = 2,000.70/x
  3. Step 3: Cross multiply
    2,621.94x = 3,923.67 × 2,000.70
  4. Step 4: Simplify right side
    2,621.94x = 7,850,086.57
  5. Step 5: Solve for x
    x = 7,850,086.57/2,621.94
  6. Step 6: Final answer
    x = 2,994.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.