Home / 4,404.78-6,078.60-2,415.42

Finding the Fourth Proportional to 4,404.78, 6,078.60 and 2,415.42

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Solution

The fourth proportional to 4,404.78, 6,078.60 and 2,415.42 is: 3,333.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,404.78 : 6,078.60 = 2,415.42 : x
  2. Step 2: Convert to fraction form
    4,404.78/6,078.60 = 2,415.42/x
  3. Step 3: Cross multiply
    4,404.78x = 6,078.60 × 2,415.42
  4. Step 4: Simplify right side
    4,404.78x = 14,682,372.01
  5. Step 5: Solve for x
    x = 14,682,372.01/4,404.78
  6. Step 6: Final answer
    x = 3,333.28

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1.5x scale

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.