Home / 4,279.62-5,905.59-2,416.50

Finding the Fourth Proportional to 4,279.62, 5,905.59 and 2,416.50

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Solution

The fourth proportional to 4,279.62, 5,905.59 and 2,416.50 is: 3,334.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.62 : 5,905.59 = 2,416.50 : x
  2. Step 2: Convert to fraction form
    4,279.62/5,905.59 = 2,416.50/x
  3. Step 3: Cross multiply
    4,279.62x = 5,905.59 × 2,416.50
  4. Step 4: Simplify right side
    4,279.62x = 14,270,858.24
  5. Step 5: Solve for x
    x = 14,270,858.24/4,279.62
  6. Step 6: Final answer
    x = 3,334.61

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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.