Home / 4,192.05-5,785.07-2,619.84

Finding the Fourth Proportional to 4,192.05, 5,785.07 and 2,619.84

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Solution

The fourth proportional to 4,192.05, 5,785.07 and 2,619.84 is: 3,615.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.05 : 5,785.07 = 2,619.84 : x
  2. Step 2: Convert to fraction form
    4,192.05/5,785.07 = 2,619.84/x
  3. Step 3: Cross multiply
    4,192.05x = 5,785.07 × 2,619.84
  4. Step 4: Simplify right side
    4,192.05x = 15,155,981.12
  5. Step 5: Solve for x
    x = 15,155,981.12/4,192.05
  6. Step 6: Final answer
    x = 3,615.41

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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.