Home / 5,375.10-8,062.04-1,479

Finding the Fourth Proportional to 5,375.10, 8,062.04 and 1,479

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Solution

The fourth proportional to 5,375.10, 8,062.04 and 1,479 is: 2,218.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.10 : 8,062.04 = 1,479 : x
  2. Step 2: Convert to fraction form
    5,375.10/8,062.04 = 1,479/x
  3. Step 3: Cross multiply
    5,375.10x = 8,062.04 × 1,479
  4. Step 4: Simplify right side
    5,375.10x = 11,923,749.77
  5. Step 5: Solve for x
    x = 11,923,749.77/5,375.10
  6. Step 6: Final answer
    x = 2,218.33

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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.