Home / 4,081.72-6,120.66-1,484.32

Finding the Fourth Proportional to 4,081.72, 6,120.66 and 1,484.32

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Solution

The fourth proportional to 4,081.72, 6,120.66 and 1,484.32 is: 2,225.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.72 : 6,120.66 = 1,484.32 : x
  2. Step 2: Convert to fraction form
    4,081.72/6,120.66 = 1,484.32/x
  3. Step 3: Cross multiply
    4,081.72x = 6,120.66 × 1,484.32
  4. Step 4: Simplify right side
    4,081.72x = 9,085,018.05
  5. Step 5: Solve for x
    x = 9,085,018.05/4,081.72
  6. Step 6: Final answer
    x = 2,225.78

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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.