Home / 1,907.02-2,631.40-1,067.73

Finding the Fourth Proportional to 1,907.02, 2,631.40 and 1,067.73

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Solution

The fourth proportional to 1,907.02, 2,631.40 and 1,067.73 is: 1,473.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907.02 : 2,631.40 = 1,067.73 : x
  2. Step 2: Convert to fraction form
    1,907.02/2,631.40 = 1,067.73/x
  3. Step 3: Cross multiply
    1,907.02x = 2,631.40 × 1,067.73
  4. Step 4: Simplify right side
    1,907.02x = 2,809,624.72
  5. Step 5: Solve for x
    x = 2,809,624.72/1,907.02
  6. Step 6: Final answer
    x = 1,473.31

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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.