Home / 5,075.11-7,003.56-2,836.95

Finding the Fourth Proportional to 5,075.11, 7,003.56 and 2,836.95

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Solution

The fourth proportional to 5,075.11, 7,003.56 and 2,836.95 is: 3,914.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.11 : 7,003.56 = 2,836.95 : x
  2. Step 2: Convert to fraction form
    5,075.11/7,003.56 = 2,836.95/x
  3. Step 3: Cross multiply
    5,075.11x = 7,003.56 × 2,836.95
  4. Step 4: Simplify right side
    5,075.11x = 19,868,749.54
  5. Step 5: Solve for x
    x = 19,868,749.54/5,075.11
  6. Step 6: Final answer
    x = 3,914.94

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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.