Home / 3,481.79-5,197.87-3,335.99

Finding the Fourth Proportional to 3,481.79, 5,197.87 and 3,335.99

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Solution

The fourth proportional to 3,481.79, 5,197.87 and 3,335.99 is: 4,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.79 : 5,197.87 = 3,335.99 : x
  2. Step 2: Convert to fraction form
    3,481.79/5,197.87 = 3,335.99/x
  3. Step 3: Cross multiply
    3,481.79x = 5,197.87 × 3,335.99
  4. Step 4: Simplify right side
    3,481.79x = 17,340,020.52
  5. Step 5: Solve for x
    x = 17,340,020.52/3,481.79
  6. Step 6: Final answer
    x = 4,980.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.