Home / 4,520.15-6,781.27-1,747.79

Finding the Fourth Proportional to 4,520.15, 6,781.27 and 1,747.79

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Solution

The fourth proportional to 4,520.15, 6,781.27 and 1,747.79 is: 2,622.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.15 : 6,781.27 = 1,747.79 : x
  2. Step 2: Convert to fraction form
    4,520.15/6,781.27 = 1,747.79/x
  3. Step 3: Cross multiply
    4,520.15x = 6,781.27 × 1,747.79
  4. Step 4: Simplify right side
    4,520.15x = 11,852,235.89
  5. Step 5: Solve for x
    x = 11,852,235.89/4,520.15
  6. Step 6: Final answer
    x = 2,622.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.