Home / 4,119.53-6,178.07-2,170.67

Finding the Fourth Proportional to 4,119.53, 6,178.07 and 2,170.67

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Solution

The fourth proportional to 4,119.53, 6,178.07 and 2,170.67 is: 3,255.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.53 : 6,178.07 = 2,170.67 : x
  2. Step 2: Convert to fraction form
    4,119.53/6,178.07 = 2,170.67/x
  3. Step 3: Cross multiply
    4,119.53x = 6,178.07 × 2,170.67
  4. Step 4: Simplify right side
    4,119.53x = 13,410,525.74
  5. Step 5: Solve for x
    x = 13,410,525.74/4,119.53
  6. Step 6: Final answer
    x = 3,255.36

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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.