Home / 4,180.71-5,768.91-2,412.89

Finding the Fourth Proportional to 4,180.71, 5,768.91 and 2,412.89

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Solution

The fourth proportional to 4,180.71, 5,768.91 and 2,412.89 is: 3,329.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.71 : 5,768.91 = 2,412.89 : x
  2. Step 2: Convert to fraction form
    4,180.71/5,768.91 = 2,412.89/x
  3. Step 3: Cross multiply
    4,180.71x = 5,768.91 × 2,412.89
  4. Step 4: Simplify right side
    4,180.71x = 13,919,745.25
  5. Step 5: Solve for x
    x = 13,919,745.25/4,180.71
  6. Step 6: Final answer
    x = 3,329.52

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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.