Home / 4,515.34-6,220.38-3,713.44

Finding the Fourth Proportional to 4,515.34, 6,220.38 and 3,713.44

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Solution

The fourth proportional to 4,515.34, 6,220.38 and 3,713.44 is: 5,115.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.34 : 6,220.38 = 3,713.44 : x
  2. Step 2: Convert to fraction form
    4,515.34/6,220.38 = 3,713.44/x
  3. Step 3: Cross multiply
    4,515.34x = 6,220.38 × 3,713.44
  4. Step 4: Simplify right side
    4,515.34x = 23,099,007.91
  5. Step 5: Solve for x
    x = 23,099,007.91/4,515.34
  6. Step 6: Final answer
    x = 5,115.67

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Half scale
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Double scale
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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.