Home / 6,103.89-8,422.79-4,847.99

Finding the Fourth Proportional to 6,103.89, 8,422.79 and 4,847.99

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Solution

The fourth proportional to 6,103.89, 8,422.79 and 4,847.99 is: 6,689.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,103.89 : 8,422.79 = 4,847.99 : x
  2. Step 2: Convert to fraction form
    6,103.89/8,422.79 = 4,847.99/x
  3. Step 3: Cross multiply
    6,103.89x = 8,422.79 × 4,847.99
  4. Step 4: Simplify right side
    6,103.89x = 40,833,535.34
  5. Step 5: Solve for x
    x = 40,833,535.34/6,103.89
  6. Step 6: Final answer
    x = 6,689.76

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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.