Home / 4,119.57-6,178.11-1,522.71

Finding the Fourth Proportional to 4,119.57, 6,178.11 and 1,522.71

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Solution

The fourth proportional to 4,119.57, 6,178.11 and 1,522.71 is: 2,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.57 : 6,178.11 = 1,522.71 : x
  2. Step 2: Convert to fraction form
    4,119.57/6,178.11 = 1,522.71/x
  3. Step 3: Cross multiply
    4,119.57x = 6,178.11 × 1,522.71
  4. Step 4: Simplify right side
    4,119.57x = 9,407,469.88
  5. Step 5: Solve for x
    x = 9,407,469.88/4,119.57
  6. Step 6: Final answer
    x = 2,283.60

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1.5x scale

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.