Home / 3,792.96-5,235.88-2,551.68

Finding the Fourth Proportional to 3,792.96, 5,235.88 and 2,551.68

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Solution

The fourth proportional to 3,792.96, 5,235.88 and 2,551.68 is: 3,522.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.96 : 5,235.88 = 2,551.68 : x
  2. Step 2: Convert to fraction form
    3,792.96/5,235.88 = 2,551.68/x
  3. Step 3: Cross multiply
    3,792.96x = 5,235.88 × 2,551.68
  4. Step 4: Simplify right side
    3,792.96x = 13,360,290.28
  5. Step 5: Solve for x
    x = 13,360,290.28/3,792.96
  6. Step 6: Final answer
    x = 3,522.39

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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.