Home / 4,272.91-6,401.66-4,015.58

Finding the Fourth Proportional to 4,272.91, 6,401.66 and 4,015.58

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Solution

The fourth proportional to 4,272.91, 6,401.66 and 4,015.58 is: 6,016.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.91 : 6,401.66 = 4,015.58 : x
  2. Step 2: Convert to fraction form
    4,272.91/6,401.66 = 4,015.58/x
  3. Step 3: Cross multiply
    4,272.91x = 6,401.66 × 4,015.58
  4. Step 4: Simplify right side
    4,272.91x = 25,706,357.78
  5. Step 5: Solve for x
    x = 25,706,357.78/4,272.91
  6. Step 6: Final answer
    x = 6,016.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.