Home / 5,271.16-7,900.20-3,514.60

Finding the Fourth Proportional to 5,271.16, 7,900.20 and 3,514.60

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Solution

The fourth proportional to 5,271.16, 7,900.20 and 3,514.60 is: 5,267.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.16 : 7,900.20 = 3,514.60 : x
  2. Step 2: Convert to fraction form
    5,271.16/7,900.20 = 3,514.60/x
  3. Step 3: Cross multiply
    5,271.16x = 7,900.20 × 3,514.60
  4. Step 4: Simplify right side
    5,271.16x = 27,766,042.92
  5. Step 5: Solve for x
    x = 27,766,042.92/5,271.16
  6. Step 6: Final answer
    x = 5,267.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.