Home / 3,082.02-4,623.24-1,107.45

Finding the Fourth Proportional to 3,082.02, 4,623.24 and 1,107.45

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Solution

The fourth proportional to 3,082.02, 4,623.24 and 1,107.45 is: 1,661.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.02 : 4,623.24 = 1,107.45 : x
  2. Step 2: Convert to fraction form
    3,082.02/4,623.24 = 1,107.45/x
  3. Step 3: Cross multiply
    3,082.02x = 4,623.24 × 1,107.45
  4. Step 4: Simplify right side
    3,082.02x = 5,120,007.14
  5. Step 5: Solve for x
    x = 5,120,007.14/3,082.02
  6. Step 6: Final answer
    x = 1,661.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.