Home / 4,279.72-5,906.10-2,416.36

Finding the Fourth Proportional to 4,279.72, 5,906.10 and 2,416.36

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Solution

The fourth proportional to 4,279.72, 5,906.10 and 2,416.36 is: 3,334.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.72 : 5,906.10 = 2,416.36 : x
  2. Step 2: Convert to fraction form
    4,279.72/5,906.10 = 2,416.36/x
  3. Step 3: Cross multiply
    4,279.72x = 5,906.10 × 2,416.36
  4. Step 4: Simplify right side
    4,279.72x = 14,271,263.80
  5. Step 5: Solve for x
    x = 14,271,263.80/4,279.72
  6. Step 6: Final answer
    x = 3,334.63

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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.