Home / 6,108.58-8,428.44-3,455.41

Finding the Fourth Proportional to 6,108.58, 8,428.44 and 3,455.41

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Solution

The fourth proportional to 6,108.58, 8,428.44 and 3,455.41 is: 4,767.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.58 : 8,428.44 = 3,455.41 : x
  2. Step 2: Convert to fraction form
    6,108.58/8,428.44 = 3,455.41/x
  3. Step 3: Cross multiply
    6,108.58x = 8,428.44 × 3,455.41
  4. Step 4: Simplify right side
    6,108.58x = 29,123,715.86
  5. Step 5: Solve for x
    x = 29,123,715.86/6,108.58
  6. Step 6: Final answer
    x = 4,767.67

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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.