Home / 3,749.79-5,173.83-2,177.94

Finding the Fourth Proportional to 3,749.79, 5,173.83 and 2,177.94

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Solution

The fourth proportional to 3,749.79, 5,173.83 and 2,177.94 is: 3,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.79 : 5,173.83 = 2,177.94 : x
  2. Step 2: Convert to fraction form
    3,749.79/5,173.83 = 2,177.94/x
  3. Step 3: Cross multiply
    3,749.79x = 5,173.83 × 2,177.94
  4. Step 4: Simplify right side
    3,749.79x = 11,268,291.31
  5. Step 5: Solve for x
    x = 11,268,291.31/3,749.79
  6. Step 6: Final answer
    x = 3,005.05

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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.