Home / 6,115.77-8,439.60-3,464.04

Finding the Fourth Proportional to 6,115.77, 8,439.60 and 3,464.04

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Solution

The fourth proportional to 6,115.77, 8,439.60 and 3,464.04 is: 4,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.77 : 8,439.60 = 3,464.04 : x
  2. Step 2: Convert to fraction form
    6,115.77/8,439.60 = 3,464.04/x
  3. Step 3: Cross multiply
    6,115.77x = 8,439.60 × 3,464.04
  4. Step 4: Simplify right side
    6,115.77x = 29,235,093.33
  5. Step 5: Solve for x
    x = 29,235,093.33/6,115.77
  6. Step 6: Final answer
    x = 4,780.28

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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.