Home / 2,127.58-2,936-1,183.36

Finding the Fourth Proportional to 2,127.58, 2,936 and 1,183.36

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Solution

The fourth proportional to 2,127.58, 2,936 and 1,183.36 is: 1,633.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.58 : 2,936 = 1,183.36 : x
  2. Step 2: Convert to fraction form
    2,127.58/2,936 = 1,183.36/x
  3. Step 3: Cross multiply
    2,127.58x = 2,936 × 1,183.36
  4. Step 4: Simplify right side
    2,127.58x = 3,474,344.96
  5. Step 5: Solve for x
    x = 3,474,344.96/2,127.58
  6. Step 6: Final answer
    x = 1,633.00

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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.