Home / 2,074.70-2,863.14-1,190.54

Finding the Fourth Proportional to 2,074.70, 2,863.14 and 1,190.54

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Solution

The fourth proportional to 2,074.70, 2,863.14 and 1,190.54 is: 1,642.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.70 : 2,863.14 = 1,190.54 : x
  2. Step 2: Convert to fraction form
    2,074.70/2,863.14 = 1,190.54/x
  3. Step 3: Cross multiply
    2,074.70x = 2,863.14 × 1,190.54
  4. Step 4: Simplify right side
    2,074.70x = 3,408,682.70
  5. Step 5: Solve for x
    x = 3,408,682.70/2,074.70
  6. Step 6: Final answer
    x = 1,642.98

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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.