Home / 1,942.22-2,680.32-1,058.04

Finding the Fourth Proportional to 1,942.22, 2,680.32 and 1,058.04

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Solution

The fourth proportional to 1,942.22, 2,680.32 and 1,058.04 is: 1,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.22 : 2,680.32 = 1,058.04 : x
  2. Step 2: Convert to fraction form
    1,942.22/2,680.32 = 1,058.04/x
  3. Step 3: Cross multiply
    1,942.22x = 2,680.32 × 1,058.04
  4. Step 4: Simplify right side
    1,942.22x = 2,835,885.77
  5. Step 5: Solve for x
    x = 2,835,885.77/1,942.22
  6. Step 6: Final answer
    x = 1,460.13

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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.