Home / 4,476.48-6,178.22-3,221.69

Finding the Fourth Proportional to 4,476.48, 6,178.22 and 3,221.69

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Solution

The fourth proportional to 4,476.48, 6,178.22 and 3,221.69 is: 4,446.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,476.48 : 6,178.22 = 3,221.69 : x
  2. Step 2: Convert to fraction form
    4,476.48/6,178.22 = 3,221.69/x
  3. Step 3: Cross multiply
    4,476.48x = 6,178.22 × 3,221.69
  4. Step 4: Simplify right side
    4,476.48x = 19,904,262.59
  5. Step 5: Solve for x
    x = 19,904,262.59/4,476.48
  6. Step 6: Final answer
    x = 4,446.41

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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.