Home / 5,576.25-8,364.38-1,680.56

Finding the Fourth Proportional to 5,576.25, 8,364.38 and 1,680.56

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Solution

The fourth proportional to 5,576.25, 8,364.38 and 1,680.56 is: 2,520.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.25 : 8,364.38 = 1,680.56 : x
  2. Step 2: Convert to fraction form
    5,576.25/8,364.38 = 1,680.56/x
  3. Step 3: Cross multiply
    5,576.25x = 8,364.38 × 1,680.56
  4. Step 4: Simplify right side
    5,576.25x = 14,056,792.23
  5. Step 5: Solve for x
    x = 14,056,792.23/5,576.25
  6. Step 6: Final answer
    x = 2,520.83

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Double scale
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Similar ratio
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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.