Home / 6,770.88-10,158.75-4,170.78

Finding the Fourth Proportional to 6,770.88, 10,158.75 and 4,170.78

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Solution

The fourth proportional to 6,770.88, 10,158.75 and 4,170.78 is: 6,257.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,770.88 : 10,158.75 = 4,170.78 : x
  2. Step 2: Convert to fraction form
    6,770.88/10,158.75 = 4,170.78/x
  3. Step 3: Cross multiply
    6,770.88x = 10,158.75 × 4,170.78
  4. Step 4: Simplify right side
    6,770.88x = 42,369,911.33
  5. Step 5: Solve for x
    x = 42,369,911.33/6,770.88
  6. Step 6: Final answer
    x = 6,257.67

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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.