Home / 4,799.36-6,620.78-4,135.06

Finding the Fourth Proportional to 4,799.36, 6,620.78 and 4,135.06

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Solution

The fourth proportional to 4,799.36, 6,620.78 and 4,135.06 is: 5,704.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,799.36 : 6,620.78 = 4,135.06 : x
  2. Step 2: Convert to fraction form
    4,799.36/6,620.78 = 4,135.06/x
  3. Step 3: Cross multiply
    4,799.36x = 6,620.78 × 4,135.06
  4. Step 4: Simplify right side
    4,799.36x = 27,377,322.55
  5. Step 5: Solve for x
    x = 27,377,322.55/4,799.36
  6. Step 6: Final answer
    x = 5,704.37

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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.