Home / 1,942.82-2,681.20-1,058.60

Finding the Fourth Proportional to 1,942.82, 2,681.20 and 1,058.60

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Solution

The fourth proportional to 1,942.82, 2,681.20 and 1,058.60 is: 1,460.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.82 : 2,681.20 = 1,058.60 : x
  2. Step 2: Convert to fraction form
    1,942.82/2,681.20 = 1,058.60/x
  3. Step 3: Cross multiply
    1,942.82x = 2,681.20 × 1,058.60
  4. Step 4: Simplify right side
    1,942.82x = 2,838,318.32
  5. Step 5: Solve for x
    x = 2,838,318.32/1,942.82
  6. Step 6: Final answer
    x = 1,460.93

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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.