Home / 2,147.04-2,961.96-1,400.82

Finding the Fourth Proportional to 2,147.04, 2,961.96 and 1,400.82

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Solution

The fourth proportional to 2,147.04, 2,961.96 and 1,400.82 is: 1,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.04 : 2,961.96 = 1,400.82 : x
  2. Step 2: Convert to fraction form
    2,147.04/2,961.96 = 1,400.82/x
  3. Step 3: Cross multiply
    2,147.04x = 2,961.96 × 1,400.82
  4. Step 4: Simplify right side
    2,147.04x = 4,149,172.81
  5. Step 5: Solve for x
    x = 4,149,172.81/2,147.04
  6. Step 6: Final answer
    x = 1,932.51

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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.