Home / 3,133.91-4,679.98-2,951.66

Finding the Fourth Proportional to 3,133.91, 4,679.98 and 2,951.66

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Solution

The fourth proportional to 3,133.91, 4,679.98 and 2,951.66 is: 4,407.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.91 : 4,679.98 = 2,951.66 : x
  2. Step 2: Convert to fraction form
    3,133.91/4,679.98 = 2,951.66/x
  3. Step 3: Cross multiply
    3,133.91x = 4,679.98 × 2,951.66
  4. Step 4: Simplify right side
    3,133.91x = 13,813,709.77
  5. Step 5: Solve for x
    x = 13,813,709.77/3,133.91
  6. Step 6: Final answer
    x = 4,407.82

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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.