Home / 3,474.23-4,781.30-2,763.72

Finding the Fourth Proportional to 3,474.23, 4,781.30 and 2,763.72

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Solution

The fourth proportional to 3,474.23, 4,781.30 and 2,763.72 is: 3,803.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.23 : 4,781.30 = 2,763.72 : x
  2. Step 2: Convert to fraction form
    3,474.23/4,781.30 = 2,763.72/x
  3. Step 3: Cross multiply
    3,474.23x = 4,781.30 × 2,763.72
  4. Step 4: Simplify right side
    3,474.23x = 13,214,160.62
  5. Step 5: Solve for x
    x = 13,214,160.62/3,474.23
  6. Step 6: Final answer
    x = 3,803.48

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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.