Home / 6,103.55-8,422.58-3,450.80

Finding the Fourth Proportional to 6,103.55, 8,422.58 and 3,450.80

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Solution

The fourth proportional to 6,103.55, 8,422.58 and 3,450.80 is: 4,761.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,103.55 : 8,422.58 = 3,450.80 : x
  2. Step 2: Convert to fraction form
    6,103.55/8,422.58 = 3,450.80/x
  3. Step 3: Cross multiply
    6,103.55x = 8,422.58 × 3,450.80
  4. Step 4: Simplify right side
    6,103.55x = 29,064,621.81
  5. Step 5: Solve for x
    x = 29,064,621.81/6,103.55
  6. Step 6: Final answer
    x = 4,761.92

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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.