Home / 6,272.91-8,653.59-4,147.92

Finding the Fourth Proportional to 6,272.91, 8,653.59 and 4,147.92

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Solution

The fourth proportional to 6,272.91, 8,653.59 and 4,147.92 is: 5,722.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.91 : 8,653.59 = 4,147.92 : x
  2. Step 2: Convert to fraction form
    6,272.91/8,653.59 = 4,147.92/x
  3. Step 3: Cross multiply
    6,272.91x = 8,653.59 × 4,147.92
  4. Step 4: Simplify right side
    6,272.91x = 35,894,399.03
  5. Step 5: Solve for x
    x = 35,894,399.03/6,272.91
  6. Step 6: Final answer
    x = 5,722.13

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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.