Home / 5,874.28-8,815.35-2,176.54

Finding the Fourth Proportional to 5,874.28, 8,815.35 and 2,176.54

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Solution

The fourth proportional to 5,874.28, 8,815.35 and 2,176.54 is: 3,266.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.28 : 8,815.35 = 2,176.54 : x
  2. Step 2: Convert to fraction form
    5,874.28/8,815.35 = 2,176.54/x
  3. Step 3: Cross multiply
    5,874.28x = 8,815.35 × 2,176.54
  4. Step 4: Simplify right side
    5,874.28x = 19,186,939.85
  5. Step 5: Solve for x
    x = 19,186,939.85/5,874.28
  6. Step 6: Final answer
    x = 3,266.26

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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.