Home / 2,874.50-3,968.67-2,243.94

Finding the Fourth Proportional to 2,874.50, 3,968.67 and 2,243.94

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Solution

The fourth proportional to 2,874.50, 3,968.67 and 2,243.94 is: 3,098.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.50 : 3,968.67 = 2,243.94 : x
  2. Step 2: Convert to fraction form
    2,874.50/3,968.67 = 2,243.94/x
  3. Step 3: Cross multiply
    2,874.50x = 3,968.67 × 2,243.94
  4. Step 4: Simplify right side
    2,874.50x = 8,905,457.36
  5. Step 5: Solve for x
    x = 8,905,457.36/2,874.50
  6. Step 6: Final answer
    x = 3,098.09

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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.