Home / 3,039.42-4,551.79-2,515.57

Finding the Fourth Proportional to 3,039.42, 4,551.79 and 2,515.57

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Solution

The fourth proportional to 3,039.42, 4,551.79 and 2,515.57 is: 3,767.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.42 : 4,551.79 = 2,515.57 : x
  2. Step 2: Convert to fraction form
    3,039.42/4,551.79 = 2,515.57/x
  3. Step 3: Cross multiply
    3,039.42x = 4,551.79 × 2,515.57
  4. Step 4: Simplify right side
    3,039.42x = 11,450,328.70
  5. Step 5: Solve for x
    x = 11,450,328.70/3,039.42
  6. Step 6: Final answer
    x = 3,767.27

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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.