Home / 4,169.20-6,221.18-4,070.38

Finding the Fourth Proportional to 4,169.20, 6,221.18 and 4,070.38

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Solution

The fourth proportional to 4,169.20, 6,221.18 and 4,070.38 is: 6,073.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,169.20 : 6,221.18 = 4,070.38 : x
  2. Step 2: Convert to fraction form
    4,169.20/6,221.18 = 4,070.38/x
  3. Step 3: Cross multiply
    4,169.20x = 6,221.18 × 4,070.38
  4. Step 4: Simplify right side
    4,169.20x = 25,322,566.65
  5. Step 5: Solve for x
    x = 25,322,566.65/4,169.20
  6. Step 6: Final answer
    x = 6,073.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.