Home / 3,933.81-5,428.53-2,232.27

Finding the Fourth Proportional to 3,933.81, 5,428.53 and 2,232.27

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Solution

The fourth proportional to 3,933.81, 5,428.53 and 2,232.27 is: 3,080.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.81 : 5,428.53 = 2,232.27 : x
  2. Step 2: Convert to fraction form
    3,933.81/5,428.53 = 2,232.27/x
  3. Step 3: Cross multiply
    3,933.81x = 5,428.53 × 2,232.27
  4. Step 4: Simplify right side
    3,933.81x = 12,117,944.66
  5. Step 5: Solve for x
    x = 12,117,944.66/3,933.81
  6. Step 6: Final answer
    x = 3,080.46

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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.