Home / 2,758.56-4,135.52-1,197.39

Finding the Fourth Proportional to 2,758.56, 4,135.52 and 1,197.39

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Solution

The fourth proportional to 2,758.56, 4,135.52 and 1,197.39 is: 1,795.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.56 : 4,135.52 = 1,197.39 : x
  2. Step 2: Convert to fraction form
    2,758.56/4,135.52 = 1,197.39/x
  3. Step 3: Cross multiply
    2,758.56x = 4,135.52 × 1,197.39
  4. Step 4: Simplify right side
    2,758.56x = 4,951,824.31
  5. Step 5: Solve for x
    x = 4,951,824.31/2,758.56
  6. Step 6: Final answer
    x = 1,795.08

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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.