Home / 4,179.81-5,765.79-3,756.99

Finding the Fourth Proportional to 4,179.81, 5,765.79 and 3,756.99

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Solution

The fourth proportional to 4,179.81, 5,765.79 and 3,756.99 is: 5,182.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.81 : 5,765.79 = 3,756.99 : x
  2. Step 2: Convert to fraction form
    4,179.81/5,765.79 = 3,756.99/x
  3. Step 3: Cross multiply
    4,179.81x = 5,765.79 × 3,756.99
  4. Step 4: Simplify right side
    4,179.81x = 21,662,015.37
  5. Step 5: Solve for x
    x = 21,662,015.37/4,179.81
  6. Step 6: Final answer
    x = 5,182.54

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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.