Home / 3,784.56-5,223.54-2,192.32

Finding the Fourth Proportional to 3,784.56, 5,223.54 and 2,192.32

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Solution

The fourth proportional to 3,784.56, 5,223.54 and 2,192.32 is: 3,025.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.56 : 5,223.54 = 2,192.32 : x
  2. Step 2: Convert to fraction form
    3,784.56/5,223.54 = 2,192.32/x
  3. Step 3: Cross multiply
    3,784.56x = 5,223.54 × 2,192.32
  4. Step 4: Simplify right side
    3,784.56x = 11,451,671.21
  5. Step 5: Solve for x
    x = 11,451,671.21/3,784.56
  6. Step 6: Final answer
    x = 3,025.89

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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.