Home / 5,239.44-7,223.16-3,558.24

Finding the Fourth Proportional to 5,239.44, 7,223.16 and 3,558.24

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Solution

The fourth proportional to 5,239.44, 7,223.16 and 3,558.24 is: 4,905.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.44 : 7,223.16 = 3,558.24 : x
  2. Step 2: Convert to fraction form
    5,239.44/7,223.16 = 3,558.24/x
  3. Step 3: Cross multiply
    5,239.44x = 7,223.16 × 3,558.24
  4. Step 4: Simplify right side
    5,239.44x = 25,701,736.84
  5. Step 5: Solve for x
    x = 25,701,736.84/5,239.44
  6. Step 6: Final answer
    x = 4,905.44

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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.