Home / 1,969.09-2,717.51-1,183.12

Finding the Fourth Proportional to 1,969.09, 2,717.51 and 1,183.12

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Solution

The fourth proportional to 1,969.09, 2,717.51 and 1,183.12 is: 1,632.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969.09 : 2,717.51 = 1,183.12 : x
  2. Step 2: Convert to fraction form
    1,969.09/2,717.51 = 1,183.12/x
  3. Step 3: Cross multiply
    1,969.09x = 2,717.51 × 1,183.12
  4. Step 4: Simplify right side
    1,969.09x = 3,215,140.43
  5. Step 5: Solve for x
    x = 3,215,140.43/1,969.09
  6. Step 6: Final answer
    x = 1,632.81

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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.