Home / 6,924.55-9,556.42-3,940.51

Finding the Fourth Proportional to 6,924.55, 9,556.42 and 3,940.51

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Solution

The fourth proportional to 6,924.55, 9,556.42 and 3,940.51 is: 5,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,924.55 : 9,556.42 = 3,940.51 : x
  2. Step 2: Convert to fraction form
    6,924.55/9,556.42 = 3,940.51/x
  3. Step 3: Cross multiply
    6,924.55x = 9,556.42 × 3,940.51
  4. Step 4: Simplify right side
    6,924.55x = 37,657,168.57
  5. Step 5: Solve for x
    x = 37,657,168.57/6,924.55
  6. Step 6: Final answer
    x = 5,438.21

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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.