Home / 6,121.08-8,445.70-3,467.88

Finding the Fourth Proportional to 6,121.08, 8,445.70 and 3,467.88

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Solution

The fourth proportional to 6,121.08, 8,445.70 and 3,467.88 is: 4,784.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.08 : 8,445.70 = 3,467.88 : x
  2. Step 2: Convert to fraction form
    6,121.08/8,445.70 = 3,467.88/x
  3. Step 3: Cross multiply
    6,121.08x = 8,445.70 × 3,467.88
  4. Step 4: Simplify right side
    6,121.08x = 29,288,674.12
  5. Step 5: Solve for x
    x = 29,288,674.12/6,121.08
  6. Step 6: Final answer
    x = 4,784.89

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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.