Home / 3,936.19-5,435.07-3,050.45

Finding the Fourth Proportional to 3,936.19, 5,435.07 and 3,050.45

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Solution

The fourth proportional to 3,936.19, 5,435.07 and 3,050.45 is: 4,212.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.19 : 5,435.07 = 3,050.45 : x
  2. Step 2: Convert to fraction form
    3,936.19/5,435.07 = 3,050.45/x
  3. Step 3: Cross multiply
    3,936.19x = 5,435.07 × 3,050.45
  4. Step 4: Simplify right side
    3,936.19x = 16,579,409.28
  5. Step 5: Solve for x
    x = 16,579,409.28/3,936.19
  6. Step 6: Final answer
    x = 4,212.04

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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.