Home / 5,270.63-7,273.53-2,912.99

Finding the Fourth Proportional to 5,270.63, 7,273.53 and 2,912.99

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Solution

The fourth proportional to 5,270.63, 7,273.53 and 2,912.99 is: 4,019.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.63 : 7,273.53 = 2,912.99 : x
  2. Step 2: Convert to fraction form
    5,270.63/7,273.53 = 2,912.99/x
  3. Step 3: Cross multiply
    5,270.63x = 7,273.53 × 2,912.99
  4. Step 4: Simplify right side
    5,270.63x = 21,187,683.79
  5. Step 5: Solve for x
    x = 21,187,683.79/5,270.63
  6. Step 6: Final answer
    x = 4,019.96

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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.