Home / 5,221.69-7,205.94-3,097.34

Finding the Fourth Proportional to 5,221.69, 7,205.94 and 3,097.34

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Solution

The fourth proportional to 5,221.69, 7,205.94 and 3,097.34 is: 4,274.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.69 : 7,205.94 = 3,097.34 : x
  2. Step 2: Convert to fraction form
    5,221.69/7,205.94 = 3,097.34/x
  3. Step 3: Cross multiply
    5,221.69x = 7,205.94 × 3,097.34
  4. Step 4: Simplify right side
    5,221.69x = 22,319,228.48
  5. Step 5: Solve for x
    x = 22,319,228.48/5,221.69
  6. Step 6: Final answer
    x = 4,274.33

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Half scale
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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.