Home / 3,112.66-4,294.54-1,853.08

Finding the Fourth Proportional to 3,112.66, 4,294.54 and 1,853.08

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Solution

The fourth proportional to 3,112.66, 4,294.54 and 1,853.08 is: 2,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.66 : 4,294.54 = 1,853.08 : x
  2. Step 2: Convert to fraction form
    3,112.66/4,294.54 = 1,853.08/x
  3. Step 3: Cross multiply
    3,112.66x = 4,294.54 × 1,853.08
  4. Step 4: Simplify right side
    3,112.66x = 7,958,126.18
  5. Step 5: Solve for x
    x = 7,958,126.18/3,112.66
  6. Step 6: Final answer
    x = 2,556.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.