Home / 3,687.22-5,088.18-2,008.62

Finding the Fourth Proportional to 3,687.22, 5,088.18 and 2,008.62

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Solution

The fourth proportional to 3,687.22, 5,088.18 and 2,008.62 is: 2,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.22 : 5,088.18 = 2,008.62 : x
  2. Step 2: Convert to fraction form
    3,687.22/5,088.18 = 2,008.62/x
  3. Step 3: Cross multiply
    3,687.22x = 5,088.18 × 2,008.62
  4. Step 4: Simplify right side
    3,687.22x = 10,220,227.64
  5. Step 5: Solve for x
    x = 10,220,227.64/3,687.22
  6. Step 6: Final answer
    x = 2,771.80

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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.