Home / 4,416.26-6,624.38-1,129.35

Finding the Fourth Proportional to 4,416.26, 6,624.38 and 1,129.35

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Solution

The fourth proportional to 4,416.26, 6,624.38 and 1,129.35 is: 1,694.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,416.26 : 6,624.38 = 1,129.35 : x
  2. Step 2: Convert to fraction form
    4,416.26/6,624.38 = 1,129.35/x
  3. Step 3: Cross multiply
    4,416.26x = 6,624.38 × 1,129.35
  4. Step 4: Simplify right side
    4,416.26x = 7,481,237.91
  5. Step 5: Solve for x
    x = 7,481,237.91/4,416.26
  6. Step 6: Final answer
    x = 1,694.02

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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.