Home / 5,271.84-7,274.69-2,913.97

Finding the Fourth Proportional to 5,271.84, 7,274.69 and 2,913.97

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Solution

The fourth proportional to 5,271.84, 7,274.69 and 2,913.97 is: 4,021.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.84 : 7,274.69 = 2,913.97 : x
  2. Step 2: Convert to fraction form
    5,271.84/7,274.69 = 2,913.97/x
  3. Step 3: Cross multiply
    5,271.84x = 7,274.69 × 2,913.97
  4. Step 4: Simplify right side
    5,271.84x = 21,198,228.42
  5. Step 5: Solve for x
    x = 21,198,228.42/5,271.84
  6. Step 6: Final answer
    x = 4,021.03

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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.