Home / 3,031.55-4,183.20-1,705.23

Finding the Fourth Proportional to 3,031.55, 4,183.20 and 1,705.23

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Solution

The fourth proportional to 3,031.55, 4,183.20 and 1,705.23 is: 2,353.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.55 : 4,183.20 = 1,705.23 : x
  2. Step 2: Convert to fraction form
    3,031.55/4,183.20 = 1,705.23/x
  3. Step 3: Cross multiply
    3,031.55x = 4,183.20 × 1,705.23
  4. Step 4: Simplify right side
    3,031.55x = 7,133,302.45
  5. Step 5: Solve for x
    x = 7,133,302.45/3,031.55
  6. Step 6: Final answer
    x = 2,353.02

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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.