Home / 4,171.51-5,756.56-2,308.51

Finding the Fourth Proportional to 4,171.51, 5,756.56 and 2,308.51

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Solution

The fourth proportional to 4,171.51, 5,756.56 and 2,308.51 is: 3,185.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.51 : 5,756.56 = 2,308.51 : x
  2. Step 2: Convert to fraction form
    4,171.51/5,756.56 = 2,308.51/x
  3. Step 3: Cross multiply
    4,171.51x = 5,756.56 × 2,308.51
  4. Step 4: Simplify right side
    4,171.51x = 13,289,076.33
  5. Step 5: Solve for x
    x = 13,289,076.33/4,171.51
  6. Step 6: Final answer
    x = 3,185.68

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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.