Home / 4,300.62-6,449.04-2,221.80

Finding the Fourth Proportional to 4,300.62, 6,449.04 and 2,221.80

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Solution

The fourth proportional to 4,300.62, 6,449.04 and 2,221.80 is: 3,331.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,300.62 : 6,449.04 = 2,221.80 : x
  2. Step 2: Convert to fraction form
    4,300.62/6,449.04 = 2,221.80/x
  3. Step 3: Cross multiply
    4,300.62x = 6,449.04 × 2,221.80
  4. Step 4: Simplify right side
    4,300.62x = 14,328,477.07
  5. Step 5: Solve for x
    x = 14,328,477.07/4,300.62
  6. Step 6: Final answer
    x = 3,331.72

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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.