Home / 5,203.36-7,178.32-3,106.24

Finding the Fourth Proportional to 5,203.36, 7,178.32 and 3,106.24

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Solution

The fourth proportional to 5,203.36, 7,178.32 and 3,106.24 is: 4,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.36 : 7,178.32 = 3,106.24 : x
  2. Step 2: Convert to fraction form
    5,203.36/7,178.32 = 3,106.24/x
  3. Step 3: Cross multiply
    5,203.36x = 7,178.32 × 3,106.24
  4. Step 4: Simplify right side
    5,203.36x = 22,297,584.72
  5. Step 5: Solve for x
    x = 22,297,584.72/5,203.36
  6. Step 6: Final answer
    x = 4,285.23

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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.