Home / 1,958.26-2,701.96-1,161.82

Finding the Fourth Proportional to 1,958.26, 2,701.96 and 1,161.82

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Solution

The fourth proportional to 1,958.26, 2,701.96 and 1,161.82 is: 1,603.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.26 : 2,701.96 = 1,161.82 : x
  2. Step 2: Convert to fraction form
    1,958.26/2,701.96 = 1,161.82/x
  3. Step 3: Cross multiply
    1,958.26x = 2,701.96 × 1,161.82
  4. Step 4: Simplify right side
    1,958.26x = 3,139,191.17
  5. Step 5: Solve for x
    x = 3,139,191.17/1,958.26
  6. Step 6: Final answer
    x = 1,603.05

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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.