Home / 5,204.56-7,179-3,187.04

Finding the Fourth Proportional to 5,204.56, 7,179 and 3,187.04

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Solution

The fourth proportional to 5,204.56, 7,179 and 3,187.04 is: 4,396.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.56 : 7,179 = 3,187.04 : x
  2. Step 2: Convert to fraction form
    5,204.56/7,179 = 3,187.04/x
  3. Step 3: Cross multiply
    5,204.56x = 7,179 × 3,187.04
  4. Step 4: Simplify right side
    5,204.56x = 22,879,760.16
  5. Step 5: Solve for x
    x = 22,879,760.16/5,204.56
  6. Step 6: Final answer
    x = 4,396.10

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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.