Home / 3,446.20-4,757.70-2,385.51

Finding the Fourth Proportional to 3,446.20, 4,757.70 and 2,385.51

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Solution

The fourth proportional to 3,446.20, 4,757.70 and 2,385.51 is: 3,293.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,446.20 : 4,757.70 = 2,385.51 : x
  2. Step 2: Convert to fraction form
    3,446.20/4,757.70 = 2,385.51/x
  3. Step 3: Cross multiply
    3,446.20x = 4,757.70 × 2,385.51
  4. Step 4: Simplify right side
    3,446.20x = 11,349,540.93
  5. Step 5: Solve for x
    x = 11,349,540.93/3,446.20
  6. Step 6: Final answer
    x = 3,293.35

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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.