Home / 5,145.44-7,099.44-3,284.96

Finding the Fourth Proportional to 5,145.44, 7,099.44 and 3,284.96

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Solution

The fourth proportional to 5,145.44, 7,099.44 and 3,284.96 is: 4,532.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145.44 : 7,099.44 = 3,284.96 : x
  2. Step 2: Convert to fraction form
    5,145.44/7,099.44 = 3,284.96/x
  3. Step 3: Cross multiply
    5,145.44x = 7,099.44 × 3,284.96
  4. Step 4: Simplify right side
    5,145.44x = 23,321,376.42
  5. Step 5: Solve for x
    x = 23,321,376.42/5,145.44
  6. Step 6: Final answer
    x = 4,532.44

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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.