Home / 4,021.50-5,543.58-3,458.97

Finding the Fourth Proportional to 4,021.50, 5,543.58 and 3,458.97

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Solution

The fourth proportional to 4,021.50, 5,543.58 and 3,458.97 is: 4,768.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.50 : 5,543.58 = 3,458.97 : x
  2. Step 2: Convert to fraction form
    4,021.50/5,543.58 = 3,458.97/x
  3. Step 3: Cross multiply
    4,021.50x = 5,543.58 × 3,458.97
  4. Step 4: Simplify right side
    4,021.50x = 19,175,076.91
  5. Step 5: Solve for x
    x = 19,175,076.91/4,021.50
  6. Step 6: Final answer
    x = 4,768.14

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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.