Home / 3,075.02-4,243.62-1,748.48

Finding the Fourth Proportional to 3,075.02, 4,243.62 and 1,748.48

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Solution

The fourth proportional to 3,075.02, 4,243.62 and 1,748.48 is: 2,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.02 : 4,243.62 = 1,748.48 : x
  2. Step 2: Convert to fraction form
    3,075.02/4,243.62 = 1,748.48/x
  3. Step 3: Cross multiply
    3,075.02x = 4,243.62 × 1,748.48
  4. Step 4: Simplify right side
    3,075.02x = 7,419,884.70
  5. Step 5: Solve for x
    x = 7,419,884.70/3,075.02
  6. Step 6: Final answer
    x = 2,412.95

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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.