Home / 3,075.44-4,239.15-2,080.36

Finding the Fourth Proportional to 3,075.44, 4,239.15 and 2,080.36

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Solution

The fourth proportional to 3,075.44, 4,239.15 and 2,080.36 is: 2,867.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.44 : 4,239.15 = 2,080.36 : x
  2. Step 2: Convert to fraction form
    3,075.44/4,239.15 = 2,080.36/x
  3. Step 3: Cross multiply
    3,075.44x = 4,239.15 × 2,080.36
  4. Step 4: Simplify right side
    3,075.44x = 8,818,958.09
  5. Step 5: Solve for x
    x = 8,818,958.09/3,075.44
  6. Step 6: Final answer
    x = 2,867.54

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1.5x scale

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.