Home / 5,778.20-8,661.09-2,492.84

Finding the Fourth Proportional to 5,778.20, 8,661.09 and 2,492.84

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Solution

The fourth proportional to 5,778.20, 8,661.09 and 2,492.84 is: 3,736.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.20 : 8,661.09 = 2,492.84 : x
  2. Step 2: Convert to fraction form
    5,778.20/8,661.09 = 2,492.84/x
  3. Step 3: Cross multiply
    5,778.20x = 8,661.09 × 2,492.84
  4. Step 4: Simplify right side
    5,778.20x = 21,590,711.60
  5. Step 5: Solve for x
    x = 21,590,711.60/5,778.20
  6. Step 6: Final answer
    x = 3,736.58

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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.