Home / 3,861.65-5,792.72-1,088.56

Finding the Fourth Proportional to 3,861.65, 5,792.72 and 1,088.56

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Solution

The fourth proportional to 3,861.65, 5,792.72 and 1,088.56 is: 1,632.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.65 : 5,792.72 = 1,088.56 : x
  2. Step 2: Convert to fraction form
    3,861.65/5,792.72 = 1,088.56/x
  3. Step 3: Cross multiply
    3,861.65x = 5,792.72 × 1,088.56
  4. Step 4: Simplify right side
    3,861.65x = 6,305,725.08
  5. Step 5: Solve for x
    x = 6,305,725.08/3,861.65
  6. Step 6: Final answer
    x = 1,632.91

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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.