Home / 5,928.22-8,178.36-3,409.78

Finding the Fourth Proportional to 5,928.22, 8,178.36 and 3,409.78

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Solution

The fourth proportional to 5,928.22, 8,178.36 and 3,409.78 is: 4,704.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928.22 : 8,178.36 = 3,409.78 : x
  2. Step 2: Convert to fraction form
    5,928.22/8,178.36 = 3,409.78/x
  3. Step 3: Cross multiply
    5,928.22x = 8,178.36 × 3,409.78
  4. Step 4: Simplify right side
    5,928.22x = 27,886,408.36
  5. Step 5: Solve for x
    x = 27,886,408.36/5,928.22
  6. Step 6: Final answer
    x = 4,704.01

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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.