Home / 4,160.99-5,742.18-2,272.61

Finding the Fourth Proportional to 4,160.99, 5,742.18 and 2,272.61

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Solution

The fourth proportional to 4,160.99, 5,742.18 and 2,272.61 is: 3,136.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.99 : 5,742.18 = 2,272.61 : x
  2. Step 2: Convert to fraction form
    4,160.99/5,742.18 = 2,272.61/x
  3. Step 3: Cross multiply
    4,160.99x = 5,742.18 × 2,272.61
  4. Step 4: Simplify right side
    4,160.99x = 13,049,706.98
  5. Step 5: Solve for x
    x = 13,049,706.98/4,160.99
  6. Step 6: Final answer
    x = 3,136.21

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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.