Home / 1,941.05-2,910.35-1,075.97

Finding the Fourth Proportional to 1,941.05, 2,910.35 and 1,075.97

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Solution

The fourth proportional to 1,941.05, 2,910.35 and 1,075.97 is: 1,613.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.05 : 2,910.35 = 1,075.97 : x
  2. Step 2: Convert to fraction form
    1,941.05/2,910.35 = 1,075.97/x
  3. Step 3: Cross multiply
    1,941.05x = 2,910.35 × 1,075.97
  4. Step 4: Simplify right side
    1,941.05x = 3,131,429.36
  5. Step 5: Solve for x
    x = 3,131,429.36/1,941.05
  6. Step 6: Final answer
    x = 1,613.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.