Home / 3,716.58-5,128.11-2,522.49

Finding the Fourth Proportional to 3,716.58, 5,128.11 and 2,522.49

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Solution

The fourth proportional to 3,716.58, 5,128.11 and 2,522.49 is: 3,480.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.58 : 5,128.11 = 2,522.49 : x
  2. Step 2: Convert to fraction form
    3,716.58/5,128.11 = 2,522.49/x
  3. Step 3: Cross multiply
    3,716.58x = 5,128.11 × 2,522.49
  4. Step 4: Simplify right side
    3,716.58x = 12,935,615.81
  5. Step 5: Solve for x
    x = 12,935,615.81/3,716.58
  6. Step 6: Final answer
    x = 3,480.51

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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.