Home / 4,289.62-5,919.69-2,401.30

Finding the Fourth Proportional to 4,289.62, 5,919.69 and 2,401.30

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Solution

The fourth proportional to 4,289.62, 5,919.69 and 2,401.30 is: 3,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.62 : 5,919.69 = 2,401.30 : x
  2. Step 2: Convert to fraction form
    4,289.62/5,919.69 = 2,401.30/x
  3. Step 3: Cross multiply
    4,289.62x = 5,919.69 × 2,401.30
  4. Step 4: Simplify right side
    4,289.62x = 14,214,951.60
  5. Step 5: Solve for x
    x = 14,214,951.60/4,289.62
  6. Step 6: Final answer
    x = 3,313.80

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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.