Home / 3,253.64-4,490.82-1,995.68

Finding the Fourth Proportional to 3,253.64, 4,490.82 and 1,995.68

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Solution

The fourth proportional to 3,253.64, 4,490.82 and 1,995.68 is: 2,754.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.64 : 4,490.82 = 1,995.68 : x
  2. Step 2: Convert to fraction form
    3,253.64/4,490.82 = 1,995.68/x
  3. Step 3: Cross multiply
    3,253.64x = 4,490.82 × 1,995.68
  4. Step 4: Simplify right side
    3,253.64x = 8,962,239.66
  5. Step 5: Solve for x
    x = 8,962,239.66/3,253.64
  6. Step 6: Final answer
    x = 2,754.53

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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.