Home / 3,933.36-5,427.78-2,362.32

Finding the Fourth Proportional to 3,933.36, 5,427.78 and 2,362.32

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Solution

The fourth proportional to 3,933.36, 5,427.78 and 2,362.32 is: 3,259.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.36 : 5,427.78 = 2,362.32 : x
  2. Step 2: Convert to fraction form
    3,933.36/5,427.78 = 2,362.32/x
  3. Step 3: Cross multiply
    3,933.36x = 5,427.78 × 2,362.32
  4. Step 4: Simplify right side
    3,933.36x = 12,822,153.25
  5. Step 5: Solve for x
    x = 12,822,153.25/3,933.36
  6. Step 6: Final answer
    x = 3,259.85

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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.