Home / 5,450.07-8,176.65-2,490.45

Finding the Fourth Proportional to 5,450.07, 8,176.65 and 2,490.45

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Solution

The fourth proportional to 5,450.07, 8,176.65 and 2,490.45 is: 3,736.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.07 : 8,176.65 = 2,490.45 : x
  2. Step 2: Convert to fraction form
    5,450.07/8,176.65 = 2,490.45/x
  3. Step 3: Cross multiply
    5,450.07x = 8,176.65 × 2,490.45
  4. Step 4: Simplify right side
    5,450.07x = 20,363,497.99
  5. Step 5: Solve for x
    x = 20,363,497.99/5,450.07
  6. Step 6: Final answer
    x = 3,736.37

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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.