Home / 3,031.36-4,183.22-1,705.02

Finding the Fourth Proportional to 3,031.36, 4,183.22 and 1,705.02

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Solution

The fourth proportional to 3,031.36, 4,183.22 and 1,705.02 is: 2,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.36 : 4,183.22 = 1,705.02 : x
  2. Step 2: Convert to fraction form
    3,031.36/4,183.22 = 1,705.02/x
  3. Step 3: Cross multiply
    3,031.36x = 4,183.22 × 1,705.02
  4. Step 4: Simplify right side
    3,031.36x = 7,132,473.76
  5. Step 5: Solve for x
    x = 7,132,473.76/3,031.36
  6. Step 6: Final answer
    x = 2,352.90

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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.