Home / 2,916.37-4,021.33-2,383.60

Finding the Fourth Proportional to 2,916.37, 4,021.33 and 2,383.60

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Solution

The fourth proportional to 2,916.37, 4,021.33 and 2,383.60 is: 3,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.37 : 4,021.33 = 2,383.60 : x
  2. Step 2: Convert to fraction form
    2,916.37/4,021.33 = 2,383.60/x
  3. Step 3: Cross multiply
    2,916.37x = 4,021.33 × 2,383.60
  4. Step 4: Simplify right side
    2,916.37x = 9,585,241.30
  5. Step 5: Solve for x
    x = 9,585,241.30/2,916.37
  6. Step 6: Final answer
    x = 3,286.70

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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.