Home / 5,400.92-8,088.42-3,087.56

Finding the Fourth Proportional to 5,400.92, 8,088.42 and 3,087.56

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Solution

The fourth proportional to 5,400.92, 8,088.42 and 3,087.56 is: 4,623.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.92 : 8,088.42 = 3,087.56 : x
  2. Step 2: Convert to fraction form
    5,400.92/8,088.42 = 3,087.56/x
  3. Step 3: Cross multiply
    5,400.92x = 8,088.42 × 3,087.56
  4. Step 4: Simplify right side
    5,400.92x = 24,973,513.85
  5. Step 5: Solve for x
    x = 24,973,513.85/5,400.92
  6. Step 6: Final answer
    x = 4,623.93

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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.