Home / 2,940.40-4,411.61-1,843.46

Finding the Fourth Proportional to 2,940.40, 4,411.61 and 1,843.46

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Solution

The fourth proportional to 2,940.40, 4,411.61 and 1,843.46 is: 2,765.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.40 : 4,411.61 = 1,843.46 : x
  2. Step 2: Convert to fraction form
    2,940.40/4,411.61 = 1,843.46/x
  3. Step 3: Cross multiply
    2,940.40x = 4,411.61 × 1,843.46
  4. Step 4: Simplify right side
    2,940.40x = 8,132,629.12
  5. Step 5: Solve for x
    x = 8,132,629.12/2,940.40
  6. Step 6: Final answer
    x = 2,765.82

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1.5x scale

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.