Home / 1,935.21-2,879.54-1,928.73

Finding the Fourth Proportional to 1,935.21, 2,879.54 and 1,928.73

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Solution

The fourth proportional to 1,935.21, 2,879.54 and 1,928.73 is: 2,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.21 : 2,879.54 = 1,928.73 : x
  2. Step 2: Convert to fraction form
    1,935.21/2,879.54 = 1,928.73/x
  3. Step 3: Cross multiply
    1,935.21x = 2,879.54 × 1,928.73
  4. Step 4: Simplify right side
    1,935.21x = 5,553,855.18
  5. Step 5: Solve for x
    x = 5,553,855.18/1,935.21
  6. Step 6: Final answer
    x = 2,869.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.