Home / 3,687.14-5,088.12-2,696.60

Finding the Fourth Proportional to 3,687.14, 5,088.12 and 2,696.60

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Solution

The fourth proportional to 3,687.14, 5,088.12 and 2,696.60 is: 3,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.14 : 5,088.12 = 2,696.60 : x
  2. Step 2: Convert to fraction form
    3,687.14/5,088.12 = 2,696.60/x
  3. Step 3: Cross multiply
    3,687.14x = 5,088.12 × 2,696.60
  4. Step 4: Simplify right side
    3,687.14x = 13,720,624.39
  5. Step 5: Solve for x
    x = 13,720,624.39/3,687.14
  6. Step 6: Final answer
    x = 3,721.21

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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.