Home / 2,671.41-4,008.55-1,112.49

Finding the Fourth Proportional to 2,671.41, 4,008.55 and 1,112.49

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Solution

The fourth proportional to 2,671.41, 4,008.55 and 1,112.49 is: 1,669.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.41 : 4,008.55 = 1,112.49 : x
  2. Step 2: Convert to fraction form
    2,671.41/4,008.55 = 1,112.49/x
  3. Step 3: Cross multiply
    2,671.41x = 4,008.55 × 1,112.49
  4. Step 4: Simplify right side
    2,671.41x = 4,459,471.79
  5. Step 5: Solve for x
    x = 4,459,471.79/2,671.41
  6. Step 6: Final answer
    x = 1,669.33

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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.