Home / 5,220.63-7,204.35-2,982.33

Finding the Fourth Proportional to 5,220.63, 7,204.35 and 2,982.33

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Solution

The fourth proportional to 5,220.63, 7,204.35 and 2,982.33 is: 4,115.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.63 : 7,204.35 = 2,982.33 : x
  2. Step 2: Convert to fraction form
    5,220.63/7,204.35 = 2,982.33/x
  3. Step 3: Cross multiply
    5,220.63x = 7,204.35 × 2,982.33
  4. Step 4: Simplify right side
    5,220.63x = 21,485,749.14
  5. Step 5: Solve for x
    x = 21,485,749.14/5,220.63
  6. Step 6: Final answer
    x = 4,115.55

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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.