Home / 3,082.48-4,254.66-2,021.56

Finding the Fourth Proportional to 3,082.48, 4,254.66 and 2,021.56

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Solution

The fourth proportional to 3,082.48, 4,254.66 and 2,021.56 is: 2,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.48 : 4,254.66 = 2,021.56 : x
  2. Step 2: Convert to fraction form
    3,082.48/4,254.66 = 2,021.56/x
  3. Step 3: Cross multiply
    3,082.48x = 4,254.66 × 2,021.56
  4. Step 4: Simplify right side
    3,082.48x = 8,601,050.47
  5. Step 5: Solve for x
    x = 8,601,050.47/3,082.48
  6. Step 6: Final answer
    x = 2,790.30

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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.