Home / 3,494.38-4,822.34-1,922.57

Finding the Fourth Proportional to 3,494.38, 4,822.34 and 1,922.57

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Solution

The fourth proportional to 3,494.38, 4,822.34 and 1,922.57 is: 2,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.38 : 4,822.34 = 1,922.57 : x
  2. Step 2: Convert to fraction form
    3,494.38/4,822.34 = 1,922.57/x
  3. Step 3: Cross multiply
    3,494.38x = 4,822.34 × 1,922.57
  4. Step 4: Simplify right side
    3,494.38x = 9,271,286.21
  5. Step 5: Solve for x
    x = 9,271,286.21/3,494.38
  6. Step 6: Final answer
    x = 2,653.20

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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.