Home / 3,075.36-4,245.72-2,029.24

Finding the Fourth Proportional to 3,075.36, 4,245.72 and 2,029.24

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Solution

The fourth proportional to 3,075.36, 4,245.72 and 2,029.24 is: 2,801.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.36 : 4,245.72 = 2,029.24 : x
  2. Step 2: Convert to fraction form
    3,075.36/4,245.72 = 2,029.24/x
  3. Step 3: Cross multiply
    3,075.36x = 4,245.72 × 2,029.24
  4. Step 4: Simplify right side
    3,075.36x = 8,615,584.85
  5. Step 5: Solve for x
    x = 8,615,584.85/3,075.36
  6. Step 6: Final answer
    x = 2,801.49

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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.