Home / 7,051.98-10,576.36-2,120.97

Finding the Fourth Proportional to 7,051.98, 10,576.36 and 2,120.97

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Solution

The fourth proportional to 7,051.98, 10,576.36 and 2,120.97 is: 3,180.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.98 : 10,576.36 = 2,120.97 : x
  2. Step 2: Convert to fraction form
    7,051.98/10,576.36 = 2,120.97/x
  3. Step 3: Cross multiply
    7,051.98x = 10,576.36 × 2,120.97
  4. Step 4: Simplify right side
    7,051.98x = 22,432,142.27
  5. Step 5: Solve for x
    x = 22,432,142.27/7,051.98
  6. Step 6: Final answer
    x = 3,180.97

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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.