Home / 1,942.26-2,680.29-1,058.06

Finding the Fourth Proportional to 1,942.26, 2,680.29 and 1,058.06

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Solution

The fourth proportional to 1,942.26, 2,680.29 and 1,058.06 is: 1,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.26 : 2,680.29 = 1,058.06 : x
  2. Step 2: Convert to fraction form
    1,942.26/2,680.29 = 1,058.06/x
  3. Step 3: Cross multiply
    1,942.26x = 2,680.29 × 1,058.06
  4. Step 4: Simplify right side
    1,942.26x = 2,835,894.24
  5. Step 5: Solve for x
    x = 2,835,894.24/1,942.26
  6. Step 6: Final answer
    x = 1,460.10

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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.