Home / 3,031.63-4,183.35-1,705.56

Finding the Fourth Proportional to 3,031.63, 4,183.35 and 1,705.56

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Solution

The fourth proportional to 3,031.63, 4,183.35 and 1,705.56 is: 2,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.63 : 4,183.35 = 1,705.56 : x
  2. Step 2: Convert to fraction form
    3,031.63/4,183.35 = 1,705.56/x
  3. Step 3: Cross multiply
    3,031.63x = 4,183.35 × 1,705.56
  4. Step 4: Simplify right side
    3,031.63x = 7,134,932.34
  5. Step 5: Solve for x
    x = 7,134,932.34/3,031.63
  6. Step 6: Final answer
    x = 2,353.50

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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.