Home / 1,635.99-2,258.42-1,076.49

Finding the Fourth Proportional to 1,635.99, 2,258.42 and 1,076.49

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Solution

The fourth proportional to 1,635.99, 2,258.42 and 1,076.49 is: 1,486.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.99 : 2,258.42 = 1,076.49 : x
  2. Step 2: Convert to fraction form
    1,635.99/2,258.42 = 1,076.49/x
  3. Step 3: Cross multiply
    1,635.99x = 2,258.42 × 1,076.49
  4. Step 4: Simplify right side
    1,635.99x = 2,431,149.87
  5. Step 5: Solve for x
    x = 2,431,149.87/1,635.99
  6. Step 6: Final answer
    x = 1,486.04

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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.