Home / 4,946.21-7,422.23-1,828.42

Finding the Fourth Proportional to 4,946.21, 7,422.23 and 1,828.42

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Solution

The fourth proportional to 4,946.21, 7,422.23 and 1,828.42 is: 2,743.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,946.21 : 7,422.23 = 1,828.42 : x
  2. Step 2: Convert to fraction form
    4,946.21/7,422.23 = 1,828.42/x
  3. Step 3: Cross multiply
    4,946.21x = 7,422.23 × 1,828.42
  4. Step 4: Simplify right side
    4,946.21x = 13,570,953.78
  5. Step 5: Solve for x
    x = 13,570,953.78/4,946.21
  6. Step 6: Final answer
    x = 2,743.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.