Home / 4,843.23-6,687.42-3,722.40

Finding the Fourth Proportional to 4,843.23, 6,687.42 and 3,722.40

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Solution

The fourth proportional to 4,843.23, 6,687.42 and 3,722.40 is: 5,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,843.23 : 6,687.42 = 3,722.40 : x
  2. Step 2: Convert to fraction form
    4,843.23/6,687.42 = 3,722.40/x
  3. Step 3: Cross multiply
    4,843.23x = 6,687.42 × 3,722.40
  4. Step 4: Simplify right side
    4,843.23x = 24,893,252.21
  5. Step 5: Solve for x
    x = 24,893,252.21/4,843.23
  6. Step 6: Final answer
    x = 5,139.80

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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.