Home / 5,299.89-7,940.15-2,483.55

Finding the Fourth Proportional to 5,299.89, 7,940.15 and 2,483.55

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Solution

The fourth proportional to 5,299.89, 7,940.15 and 2,483.55 is: 3,720.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.89 : 7,940.15 = 2,483.55 : x
  2. Step 2: Convert to fraction form
    5,299.89/7,940.15 = 2,483.55/x
  3. Step 3: Cross multiply
    5,299.89x = 7,940.15 × 2,483.55
  4. Step 4: Simplify right side
    5,299.89x = 19,719,747.11
  5. Step 5: Solve for x
    x = 19,719,747.11/5,299.89
  6. Step 6: Final answer
    x = 3,720.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.