Home / 3,031.77-4,183.50-1,705.62

Finding the Fourth Proportional to 3,031.77, 4,183.50 and 1,705.62

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Solution

The fourth proportional to 3,031.77, 4,183.50 and 1,705.62 is: 2,353.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.77 : 4,183.50 = 1,705.62 : x
  2. Step 2: Convert to fraction form
    3,031.77/4,183.50 = 1,705.62/x
  3. Step 3: Cross multiply
    3,031.77x = 4,183.50 × 1,705.62
  4. Step 4: Simplify right side
    3,031.77x = 7,135,461.27
  5. Step 5: Solve for x
    x = 7,135,461.27/3,031.77
  6. Step 6: Final answer
    x = 2,353.56

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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.