Home / 3,082.27-4,253.52-1,685.02

Finding the Fourth Proportional to 3,082.27, 4,253.52 and 1,685.02

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Solution

The fourth proportional to 3,082.27, 4,253.52 and 1,685.02 is: 2,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.27 : 4,253.52 = 1,685.02 : x
  2. Step 2: Convert to fraction form
    3,082.27/4,253.52 = 1,685.02/x
  3. Step 3: Cross multiply
    3,082.27x = 4,253.52 × 1,685.02
  4. Step 4: Simplify right side
    3,082.27x = 7,167,257.85
  5. Step 5: Solve for x
    x = 7,167,257.85/3,082.27
  6. Step 6: Final answer
    x = 2,325.32

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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.