Home / 4,041.38-5,576.71-2,272.85

Finding the Fourth Proportional to 4,041.38, 5,576.71 and 2,272.85

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Solution

The fourth proportional to 4,041.38, 5,576.71 and 2,272.85 is: 3,136.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,041.38 : 5,576.71 = 2,272.85 : x
  2. Step 2: Convert to fraction form
    4,041.38/5,576.71 = 2,272.85/x
  3. Step 3: Cross multiply
    4,041.38x = 5,576.71 × 2,272.85
  4. Step 4: Simplify right side
    4,041.38x = 12,675,025.32
  5. Step 5: Solve for x
    x = 12,675,025.32/4,041.38
  6. Step 6: Final answer
    x = 3,136.31

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Find fourth proportional to 2,020.69, 2,788.36 and 1,136.43
Half scale
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Double scale
Find fourth proportional to 4,042.38, 5,578.09 and 2,273.85
Similar ratio
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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.