Home / 5,071.91-6,995.28-3,255.11

Finding the Fourth Proportional to 5,071.91, 6,995.28 and 3,255.11

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Solution

The fourth proportional to 5,071.91, 6,995.28 and 3,255.11 is: 4,489.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.91 : 6,995.28 = 3,255.11 : x
  2. Step 2: Convert to fraction form
    5,071.91/6,995.28 = 3,255.11/x
  3. Step 3: Cross multiply
    5,071.91x = 6,995.28 × 3,255.11
  4. Step 4: Simplify right side
    5,071.91x = 22,770,405.88
  5. Step 5: Solve for x
    x = 22,770,405.88/5,071.91
  6. Step 6: Final answer
    x = 4,489.51

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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.