Home / 3,984.09-5,495.68-2,724.50

Finding the Fourth Proportional to 3,984.09, 5,495.68 and 2,724.50

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Solution

The fourth proportional to 3,984.09, 5,495.68 and 2,724.50 is: 3,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.09 : 5,495.68 = 2,724.50 : x
  2. Step 2: Convert to fraction form
    3,984.09/5,495.68 = 2,724.50/x
  3. Step 3: Cross multiply
    3,984.09x = 5,495.68 × 2,724.50
  4. Step 4: Simplify right side
    3,984.09x = 14,972,997.30
  5. Step 5: Solve for x
    x = 14,972,997.30/3,984.09
  6. Step 6: Final answer
    x = 3,758.20

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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.