Home / 6,115.16-8,438.46-3,461.96

Finding the Fourth Proportional to 6,115.16, 8,438.46 and 3,461.96

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Solution

The fourth proportional to 6,115.16, 8,438.46 and 3,461.96 is: 4,777.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.16 : 8,438.46 = 3,461.96 : x
  2. Step 2: Convert to fraction form
    6,115.16/8,438.46 = 3,461.96/x
  3. Step 3: Cross multiply
    6,115.16x = 8,438.46 × 3,461.96
  4. Step 4: Simplify right side
    6,115.16x = 29,213,610.98
  5. Step 5: Solve for x
    x = 29,213,610.98/6,115.16
  6. Step 6: Final answer
    x = 4,777.24

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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.