Home / 3,944.21-5,905.78-3,477.11

Finding the Fourth Proportional to 3,944.21, 5,905.78 and 3,477.11

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Solution

The fourth proportional to 3,944.21, 5,905.78 and 3,477.11 is: 5,206.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.21 : 5,905.78 = 3,477.11 : x
  2. Step 2: Convert to fraction form
    3,944.21/5,905.78 = 3,477.11/x
  3. Step 3: Cross multiply
    3,944.21x = 5,905.78 × 3,477.11
  4. Step 4: Simplify right side
    3,944.21x = 20,535,008.47
  5. Step 5: Solve for x
    x = 20,535,008.47/3,944.21
  6. Step 6: Final answer
    x = 5,206.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.