Home / 2,229.03-3,075.44-1,443.33

Finding the Fourth Proportional to 2,229.03, 3,075.44 and 1,443.33

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Solution

The fourth proportional to 2,229.03, 3,075.44 and 1,443.33 is: 1,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.03 : 3,075.44 = 1,443.33 : x
  2. Step 2: Convert to fraction form
    2,229.03/3,075.44 = 1,443.33/x
  3. Step 3: Cross multiply
    2,229.03x = 3,075.44 × 1,443.33
  4. Step 4: Simplify right side
    2,229.03x = 4,438,867.60
  5. Step 5: Solve for x
    x = 4,438,867.60/2,229.03
  6. Step 6: Final answer
    x = 1,991.39

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Half scale
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Double scale
Find fourth proportional to 2,230.03, 3,076.81 and 1,444.33
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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.