Home / 3,616.78-4,993.54-2,423.30

Finding the Fourth Proportional to 3,616.78, 4,993.54 and 2,423.30

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Solution

The fourth proportional to 3,616.78, 4,993.54 and 2,423.30 is: 3,345.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.78 : 4,993.54 = 2,423.30 : x
  2. Step 2: Convert to fraction form
    3,616.78/4,993.54 = 2,423.30/x
  3. Step 3: Cross multiply
    3,616.78x = 4,993.54 × 2,423.30
  4. Step 4: Simplify right side
    3,616.78x = 12,100,845.48
  5. Step 5: Solve for x
    x = 12,100,845.48/3,616.78
  6. Step 6: Final answer
    x = 3,345.75

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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.