Home / 5,271.27-7,274.25-2,913.42

Finding the Fourth Proportional to 5,271.27, 7,274.25 and 2,913.42

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Solution

The fourth proportional to 5,271.27, 7,274.25 and 2,913.42 is: 4,020.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.27 : 7,274.25 = 2,913.42 : x
  2. Step 2: Convert to fraction form
    5,271.27/7,274.25 = 2,913.42/x
  3. Step 3: Cross multiply
    5,271.27x = 7,274.25 × 2,913.42
  4. Step 4: Simplify right side
    5,271.27x = 21,192,945.44
  5. Step 5: Solve for x
    x = 21,192,945.44/5,271.27
  6. Step 6: Final answer
    x = 4,020.46

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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.