Home / 3,031.38-4,183.29-1,705.14

Finding the Fourth Proportional to 3,031.38, 4,183.29 and 1,705.14

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Solution

The fourth proportional to 3,031.38, 4,183.29 and 1,705.14 is: 2,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.38 : 4,183.29 = 1,705.14 : x
  2. Step 2: Convert to fraction form
    3,031.38/4,183.29 = 1,705.14/x
  3. Step 3: Cross multiply
    3,031.38x = 4,183.29 × 1,705.14
  4. Step 4: Simplify right side
    3,031.38x = 7,133,095.11
  5. Step 5: Solve for x
    x = 7,133,095.11/3,031.38
  6. Step 6: Final answer
    x = 2,353.09

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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.