Home / 4,940.36-7,399.66-3,556.40

Finding the Fourth Proportional to 4,940.36, 7,399.66 and 3,556.40

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Solution

The fourth proportional to 4,940.36, 7,399.66 and 3,556.40 is: 5,326.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.36 : 7,399.66 = 3,556.40 : x
  2. Step 2: Convert to fraction form
    4,940.36/7,399.66 = 3,556.40/x
  3. Step 3: Cross multiply
    4,940.36x = 7,399.66 × 3,556.40
  4. Step 4: Simplify right side
    4,940.36x = 26,316,150.82
  5. Step 5: Solve for x
    x = 26,316,150.82/4,940.36
  6. Step 6: Final answer
    x = 5,326.77

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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.