Home / 3,134.84-4,330.97-2,667.74

Finding the Fourth Proportional to 3,134.84, 4,330.97 and 2,667.74

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Solution

The fourth proportional to 3,134.84, 4,330.97 and 2,667.74 is: 3,685.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.84 : 4,330.97 = 2,667.74 : x
  2. Step 2: Convert to fraction form
    3,134.84/4,330.97 = 2,667.74/x
  3. Step 3: Cross multiply
    3,134.84x = 4,330.97 × 2,667.74
  4. Step 4: Simplify right side
    3,134.84x = 11,553,876.92
  5. Step 5: Solve for x
    x = 11,553,876.92/3,134.84
  6. Step 6: Final answer
    x = 3,685.64

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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.