Home / 2,249.59-3,372.63-1,427.71

Finding the Fourth Proportional to 2,249.59, 3,372.63 and 1,427.71

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Solution

The fourth proportional to 2,249.59, 3,372.63 and 1,427.71 is: 2,140.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.59 : 3,372.63 = 1,427.71 : x
  2. Step 2: Convert to fraction form
    2,249.59/3,372.63 = 1,427.71/x
  3. Step 3: Cross multiply
    2,249.59x = 3,372.63 × 1,427.71
  4. Step 4: Simplify right side
    2,249.59x = 4,815,137.58
  5. Step 5: Solve for x
    x = 4,815,137.58/2,249.59
  6. Step 6: Final answer
    x = 2,140.45

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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.