Home / 4,822.28-7,221.56-3,984.22

Finding the Fourth Proportional to 4,822.28, 7,221.56 and 3,984.22

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Solution

The fourth proportional to 4,822.28, 7,221.56 and 3,984.22 is: 5,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.28 : 7,221.56 = 3,984.22 : x
  2. Step 2: Convert to fraction form
    4,822.28/7,221.56 = 3,984.22/x
  3. Step 3: Cross multiply
    4,822.28x = 7,221.56 × 3,984.22
  4. Step 4: Simplify right side
    4,822.28x = 28,772,283.78
  5. Step 5: Solve for x
    x = 28,772,283.78/4,822.28
  6. Step 6: Final answer
    x = 5,966.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.