Home / 3,082.86-4,253.14-1,963.59

Finding the Fourth Proportional to 3,082.86, 4,253.14 and 1,963.59

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Solution

The fourth proportional to 3,082.86, 4,253.14 and 1,963.59 is: 2,708.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.86 : 4,253.14 = 1,963.59 : x
  2. Step 2: Convert to fraction form
    3,082.86/4,253.14 = 1,963.59/x
  3. Step 3: Cross multiply
    3,082.86x = 4,253.14 × 1,963.59
  4. Step 4: Simplify right side
    3,082.86x = 8,351,423.17
  5. Step 5: Solve for x
    x = 8,351,423.17/3,082.86
  6. Step 6: Final answer
    x = 2,708.99

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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.