Home / 4,196.70-5,791.86-2,428.20

Finding the Fourth Proportional to 4,196.70, 5,791.86 and 2,428.20

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Solution

The fourth proportional to 4,196.70, 5,791.86 and 2,428.20 is: 3,351.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,196.70 : 5,791.86 = 2,428.20 : x
  2. Step 2: Convert to fraction form
    4,196.70/5,791.86 = 2,428.20/x
  3. Step 3: Cross multiply
    4,196.70x = 5,791.86 × 2,428.20
  4. Step 4: Simplify right side
    4,196.70x = 14,063,794.45
  5. Step 5: Solve for x
    x = 14,063,794.45/4,196.70
  6. Step 6: Final answer
    x = 3,351.16

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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.