Home / 2,940.24-4,056.44-2,101.04

Finding the Fourth Proportional to 2,940.24, 4,056.44 and 2,101.04

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Solution

The fourth proportional to 2,940.24, 4,056.44 and 2,101.04 is: 2,898.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.24 : 4,056.44 = 2,101.04 : x
  2. Step 2: Convert to fraction form
    2,940.24/4,056.44 = 2,101.04/x
  3. Step 3: Cross multiply
    2,940.24x = 4,056.44 × 2,101.04
  4. Step 4: Simplify right side
    2,940.24x = 8,522,742.70
  5. Step 5: Solve for x
    x = 8,522,742.70/2,940.24
  6. Step 6: Final answer
    x = 2,898.66

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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.