Home / 3,453.54-5,172.98-2,792.58

Finding the Fourth Proportional to 3,453.54, 5,172.98 and 2,792.58

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Solution

The fourth proportional to 3,453.54, 5,172.98 and 2,792.58 is: 4,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.54 : 5,172.98 = 2,792.58 : x
  2. Step 2: Convert to fraction form
    3,453.54/5,172.98 = 2,792.58/x
  3. Step 3: Cross multiply
    3,453.54x = 5,172.98 × 2,792.58
  4. Step 4: Simplify right side
    3,453.54x = 14,445,960.49
  5. Step 5: Solve for x
    x = 14,445,960.49/3,453.54
  6. Step 6: Final answer
    x = 4,182.94

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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.