Home / 2,934.70-4,050.54-1,940.12

Finding the Fourth Proportional to 2,934.70, 4,050.54 and 1,940.12

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Solution

The fourth proportional to 2,934.70, 4,050.54 and 1,940.12 is: 2,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.70 : 4,050.54 = 1,940.12 : x
  2. Step 2: Convert to fraction form
    2,934.70/4,050.54 = 1,940.12/x
  3. Step 3: Cross multiply
    2,934.70x = 4,050.54 × 1,940.12
  4. Step 4: Simplify right side
    2,934.70x = 7,858,533.66
  5. Step 5: Solve for x
    x = 7,858,533.66/2,934.70
  6. Step 6: Final answer
    x = 2,677.80

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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.