Home / 3,768.17-5,199.60-2,089.57

Finding the Fourth Proportional to 3,768.17, 5,199.60 and 2,089.57

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Solution

The fourth proportional to 3,768.17, 5,199.60 and 2,089.57 is: 2,883.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.17 : 5,199.60 = 2,089.57 : x
  2. Step 2: Convert to fraction form
    3,768.17/5,199.60 = 2,089.57/x
  3. Step 3: Cross multiply
    3,768.17x = 5,199.60 × 2,089.57
  4. Step 4: Simplify right side
    3,768.17x = 10,864,907.34
  5. Step 5: Solve for x
    x = 10,864,907.34/3,768.17
  6. Step 6: Final answer
    x = 2,883.34

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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.