Home / 4,416.76-6,625.37-1,129.88

Finding the Fourth Proportional to 4,416.76, 6,625.37 and 1,129.88

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Solution

The fourth proportional to 4,416.76, 6,625.37 and 1,129.88 is: 1,694.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,416.76 : 6,625.37 = 1,129.88 : x
  2. Step 2: Convert to fraction form
    4,416.76/6,625.37 = 1,129.88/x
  3. Step 3: Cross multiply
    4,416.76x = 6,625.37 × 1,129.88
  4. Step 4: Simplify right side
    4,416.76x = 7,485,889.27
  5. Step 5: Solve for x
    x = 7,485,889.27/4,416.76
  6. Step 6: Final answer
    x = 1,694.88

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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.