Home / 6,103.80-8,423.88-3,713.95

Finding the Fourth Proportional to 6,103.80, 8,423.88 and 3,713.95

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Solution

The fourth proportional to 6,103.80, 8,423.88 and 3,713.95 is: 5,125.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,103.80 : 8,423.88 = 3,713.95 : x
  2. Step 2: Convert to fraction form
    6,103.80/8,423.88 = 3,713.95/x
  3. Step 3: Cross multiply
    6,103.80x = 8,423.88 × 3,713.95
  4. Step 4: Simplify right side
    6,103.80x = 31,285,865.73
  5. Step 5: Solve for x
    x = 31,285,865.73/6,103.80
  6. Step 6: Final answer
    x = 5,125.64

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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.