Home / 1,742.09-2,403.92-1,033.81

Finding the Fourth Proportional to 1,742.09, 2,403.92 and 1,033.81

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Solution

The fourth proportional to 1,742.09, 2,403.92 and 1,033.81 is: 1,426.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.09 : 2,403.92 = 1,033.81 : x
  2. Step 2: Convert to fraction form
    1,742.09/2,403.92 = 1,033.81/x
  3. Step 3: Cross multiply
    1,742.09x = 2,403.92 × 1,033.81
  4. Step 4: Simplify right side
    1,742.09x = 2,485,199.12
  5. Step 5: Solve for x
    x = 2,485,199.12/1,742.09
  6. Step 6: Final answer
    x = 1,426.56

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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.