Home / 6,071.72-9,105.95-1,689.41

Finding the Fourth Proportional to 6,071.72, 9,105.95 and 1,689.41

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Solution

The fourth proportional to 6,071.72, 9,105.95 and 1,689.41 is: 2,533.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,071.72 : 9,105.95 = 1,689.41 : x
  2. Step 2: Convert to fraction form
    6,071.72/9,105.95 = 1,689.41/x
  3. Step 3: Cross multiply
    6,071.72x = 9,105.95 × 1,689.41
  4. Step 4: Simplify right side
    6,071.72x = 15,383,709.98
  5. Step 5: Solve for x
    x = 15,383,709.98/6,071.72
  6. Step 6: Final answer
    x = 2,533.67

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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.