Home / 3,031.64-4,183.63-1,705.35

Finding the Fourth Proportional to 3,031.64, 4,183.63 and 1,705.35

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Solution

The fourth proportional to 3,031.64, 4,183.63 and 1,705.35 is: 2,353.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.64 : 4,183.63 = 1,705.35 : x
  2. Step 2: Convert to fraction form
    3,031.64/4,183.63 = 1,705.35/x
  3. Step 3: Cross multiply
    3,031.64x = 4,183.63 × 1,705.35
  4. Step 4: Simplify right side
    3,031.64x = 7,134,553.42
  5. Step 5: Solve for x
    x = 7,134,553.42/3,031.64
  6. Step 6: Final answer
    x = 2,353.36

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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.