Home / 2,956.45-4,408.59-2,811.11

Finding the Fourth Proportional to 2,956.45, 4,408.59 and 2,811.11

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Solution

The fourth proportional to 2,956.45, 4,408.59 and 2,811.11 is: 4,191.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.45 : 4,408.59 = 2,811.11 : x
  2. Step 2: Convert to fraction form
    2,956.45/4,408.59 = 2,811.11/x
  3. Step 3: Cross multiply
    2,956.45x = 4,408.59 × 2,811.11
  4. Step 4: Simplify right side
    2,956.45x = 12,393,009.39
  5. Step 5: Solve for x
    x = 12,393,009.39/2,956.45
  6. Step 6: Final answer
    x = 4,191.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.