Home / 4,086.54-5,636.52-2,515.32

Finding the Fourth Proportional to 4,086.54, 5,636.52 and 2,515.32

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Solution

The fourth proportional to 4,086.54, 5,636.52 and 2,515.32 is: 3,469.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.54 : 5,636.52 = 2,515.32 : x
  2. Step 2: Convert to fraction form
    4,086.54/5,636.52 = 2,515.32/x
  3. Step 3: Cross multiply
    4,086.54x = 5,636.52 × 2,515.32
  4. Step 4: Simplify right side
    4,086.54x = 14,177,651.49
  5. Step 5: Solve for x
    x = 14,177,651.49/4,086.54
  6. Step 6: Final answer
    x = 3,469.35

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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.