Home / 3,080.02-4,250.79-1,753.99

Finding the Fourth Proportional to 3,080.02, 4,250.79 and 1,753.99

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Solution

The fourth proportional to 3,080.02, 4,250.79 and 1,753.99 is: 2,420.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.02 : 4,250.79 = 1,753.99 : x
  2. Step 2: Convert to fraction form
    3,080.02/4,250.79 = 1,753.99/x
  3. Step 3: Cross multiply
    3,080.02x = 4,250.79 × 1,753.99
  4. Step 4: Simplify right side
    3,080.02x = 7,455,843.15
  5. Step 5: Solve for x
    x = 7,455,843.15/3,080.02
  6. Step 6: Final answer
    x = 2,420.71

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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.