Home / 3,556.75-4,908.33-1,984.96

Finding the Fourth Proportional to 3,556.75, 4,908.33 and 1,984.96

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Solution

The fourth proportional to 3,556.75, 4,908.33 and 1,984.96 is: 2,739.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.75 : 4,908.33 = 1,984.96 : x
  2. Step 2: Convert to fraction form
    3,556.75/4,908.33 = 1,984.96/x
  3. Step 3: Cross multiply
    3,556.75x = 4,908.33 × 1,984.96
  4. Step 4: Simplify right side
    3,556.75x = 9,742,838.72
  5. Step 5: Solve for x
    x = 9,742,838.72/3,556.75
  6. Step 6: Final answer
    x = 2,739.25

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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.