Home / 1,183.94-1,773.58-1,116.51

Finding the Fourth Proportional to 1,183.94, 1,773.58 and 1,116.51

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Solution

The fourth proportional to 1,183.94, 1,773.58 and 1,116.51 is: 1,672.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.94 : 1,773.58 = 1,116.51 : x
  2. Step 2: Convert to fraction form
    1,183.94/1,773.58 = 1,116.51/x
  3. Step 3: Cross multiply
    1,183.94x = 1,773.58 × 1,116.51
  4. Step 4: Simplify right side
    1,183.94x = 1,980,205.36
  5. Step 5: Solve for x
    x = 1,980,205.36/1,183.94
  6. Step 6: Final answer
    x = 1,672.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.