Home / 1,742.36-2,625.62-1,578.33

Finding the Fourth Proportional to 1,742.36, 2,625.62 and 1,578.33

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Solution

The fourth proportional to 1,742.36, 2,625.62 and 1,578.33 is: 2,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.36 : 2,625.62 = 1,578.33 : x
  2. Step 2: Convert to fraction form
    1,742.36/2,625.62 = 1,578.33/x
  3. Step 3: Cross multiply
    1,742.36x = 2,625.62 × 1,578.33
  4. Step 4: Simplify right side
    1,742.36x = 4,144,086.92
  5. Step 5: Solve for x
    x = 4,144,086.92/1,742.36
  6. Step 6: Final answer
    x = 2,378.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.