Home / 1,447.02-1,997.33-1,400.85

Finding the Fourth Proportional to 1,447.02, 1,997.33 and 1,400.85

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Solution

The fourth proportional to 1,447.02, 1,997.33 and 1,400.85 is: 1,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447.02 : 1,997.33 = 1,400.85 : x
  2. Step 2: Convert to fraction form
    1,447.02/1,997.33 = 1,400.85/x
  3. Step 3: Cross multiply
    1,447.02x = 1,997.33 × 1,400.85
  4. Step 4: Simplify right side
    1,447.02x = 2,797,952.73
  5. Step 5: Solve for x
    x = 2,797,952.73/1,447.02
  6. Step 6: Final answer
    x = 1,933.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.