Home / 3,806.79-5,253.44-2,314.77

Finding the Fourth Proportional to 3,806.79, 5,253.44 and 2,314.77

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Solution

The fourth proportional to 3,806.79, 5,253.44 and 2,314.77 is: 3,194.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.79 : 5,253.44 = 2,314.77 : x
  2. Step 2: Convert to fraction form
    3,806.79/5,253.44 = 2,314.77/x
  3. Step 3: Cross multiply
    3,806.79x = 5,253.44 × 2,314.77
  4. Step 4: Simplify right side
    3,806.79x = 12,160,505.31
  5. Step 5: Solve for x
    x = 12,160,505.31/3,806.79
  6. Step 6: Final answer
    x = 3,194.43

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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.