Home / 4,283.05-5,909.61-3,223.39

Finding the Fourth Proportional to 4,283.05, 5,909.61 and 3,223.39

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Solution

The fourth proportional to 4,283.05, 5,909.61 and 3,223.39 is: 4,447.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.05 : 5,909.61 = 3,223.39 : x
  2. Step 2: Convert to fraction form
    4,283.05/5,909.61 = 3,223.39/x
  3. Step 3: Cross multiply
    4,283.05x = 5,909.61 × 3,223.39
  4. Step 4: Simplify right side
    4,283.05x = 19,048,977.78
  5. Step 5: Solve for x
    x = 19,048,977.78/4,283.05
  6. Step 6: Final answer
    x = 4,447.53

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Double 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.