Home / 5,220.39-7,204.43-3,097.18

Finding the Fourth Proportional to 5,220.39, 7,204.43 and 3,097.18

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Solution

The fourth proportional to 5,220.39, 7,204.43 and 3,097.18 is: 4,274.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.39 : 7,204.43 = 3,097.18 : x
  2. Step 2: Convert to fraction form
    5,220.39/7,204.43 = 3,097.18/x
  3. Step 3: Cross multiply
    5,220.39x = 7,204.43 × 3,097.18
  4. Step 4: Simplify right side
    5,220.39x = 22,313,365.00
  5. Step 5: Solve for x
    x = 22,313,365.00/5,220.39
  6. Step 6: Final answer
    x = 4,274.28

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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.