Home / 5,895.84-8,136.78-3,378.75

Finding the Fourth Proportional to 5,895.84, 8,136.78 and 3,378.75

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Solution

The fourth proportional to 5,895.84, 8,136.78 and 3,378.75 is: 4,662.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,895.84 : 8,136.78 = 3,378.75 : x
  2. Step 2: Convert to fraction form
    5,895.84/8,136.78 = 3,378.75/x
  3. Step 3: Cross multiply
    5,895.84x = 8,136.78 × 3,378.75
  4. Step 4: Simplify right side
    5,895.84x = 27,492,145.43
  5. Step 5: Solve for x
    x = 27,492,145.43/5,895.84
  6. Step 6: Final answer
    x = 4,662.97

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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.