Home / 5,271.24-7,273.89-3,478.71

Finding the Fourth Proportional to 5,271.24, 7,273.89 and 3,478.71

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Solution

The fourth proportional to 5,271.24, 7,273.89 and 3,478.71 is: 4,800.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.24 : 7,273.89 = 3,478.71 : x
  2. Step 2: Convert to fraction form
    5,271.24/7,273.89 = 3,478.71/x
  3. Step 3: Cross multiply
    5,271.24x = 7,273.89 × 3,478.71
  4. Step 4: Simplify right side
    5,271.24x = 25,303,753.88
  5. Step 5: Solve for x
    x = 25,303,753.88/5,271.24
  6. Step 6: Final answer
    x = 4,800.34

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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.