Home / 5,220.25-7,202.37-3,096.12

Finding the Fourth Proportional to 5,220.25, 7,202.37 and 3,096.12

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Solution

The fourth proportional to 5,220.25, 7,202.37 and 3,096.12 is: 4,271.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.25 : 7,202.37 = 3,096.12 : x
  2. Step 2: Convert to fraction form
    5,220.25/7,202.37 = 3,096.12/x
  3. Step 3: Cross multiply
    5,220.25x = 7,202.37 × 3,096.12
  4. Step 4: Simplify right side
    5,220.25x = 22,299,423.01
  5. Step 5: Solve for x
    x = 22,299,423.01/5,220.25
  6. Step 6: Final answer
    x = 4,271.72

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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.