Home / 4,100.55-5,658.44-2,331.78

Finding the Fourth Proportional to 4,100.55, 5,658.44 and 2,331.78

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Solution

The fourth proportional to 4,100.55, 5,658.44 and 2,331.78 is: 3,217.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.55 : 5,658.44 = 2,331.78 : x
  2. Step 2: Convert to fraction form
    4,100.55/5,658.44 = 2,331.78/x
  3. Step 3: Cross multiply
    4,100.55x = 5,658.44 × 2,331.78
  4. Step 4: Simplify right side
    4,100.55x = 13,194,225.56
  5. Step 5: Solve for x
    x = 13,194,225.56/4,100.55
  6. Step 6: Final answer
    x = 3,217.67

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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.