Home / 5,271.24-7,274.28-2,913.36

Finding the Fourth Proportional to 5,271.24, 7,274.28 and 2,913.36

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Solution

The fourth proportional to 5,271.24, 7,274.28 and 2,913.36 is: 4,020.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.24 : 7,274.28 = 2,913.36 : x
  2. Step 2: Convert to fraction form
    5,271.24/7,274.28 = 2,913.36/x
  3. Step 3: Cross multiply
    5,271.24x = 7,274.28 × 2,913.36
  4. Step 4: Simplify right side
    5,271.24x = 21,192,596.38
  5. Step 5: Solve for x
    x = 21,192,596.38/5,271.24
  6. Step 6: Final answer
    x = 4,020.42

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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.