Home / 1,900.44-2,865.27-1,866.42

Finding the Fourth Proportional to 1,900.44, 2,865.27 and 1,866.42

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Solution

The fourth proportional to 1,900.44, 2,865.27 and 1,866.42 is: 2,813.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900.44 : 2,865.27 = 1,866.42 : x
  2. Step 2: Convert to fraction form
    1,900.44/2,865.27 = 1,866.42/x
  3. Step 3: Cross multiply
    1,900.44x = 2,865.27 × 1,866.42
  4. Step 4: Simplify right side
    1,900.44x = 5,347,787.57
  5. Step 5: Solve for x
    x = 5,347,787.57/1,900.44
  6. Step 6: Final answer
    x = 2,813.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.