Home / 4,769.32-7,155.70-2,136.60

Finding the Fourth Proportional to 4,769.32, 7,155.70 and 2,136.60

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Solution

The fourth proportional to 4,769.32, 7,155.70 and 2,136.60 is: 3,205.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.32 : 7,155.70 = 2,136.60 : x
  2. Step 2: Convert to fraction form
    4,769.32/7,155.70 = 2,136.60/x
  3. Step 3: Cross multiply
    4,769.32x = 7,155.70 × 2,136.60
  4. Step 4: Simplify right side
    4,769.32x = 15,288,868.62
  5. Step 5: Solve for x
    x = 15,288,868.62/4,769.32
  6. Step 6: Final answer
    x = 3,205.67

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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.