Home / 3,388.16-5,050.32-3,240.56

Finding the Fourth Proportional to 3,388.16, 5,050.32 and 3,240.56

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Solution

The fourth proportional to 3,388.16, 5,050.32 and 3,240.56 is: 4,830.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.16 : 5,050.32 = 3,240.56 : x
  2. Step 2: Convert to fraction form
    3,388.16/5,050.32 = 3,240.56/x
  3. Step 3: Cross multiply
    3,388.16x = 5,050.32 × 3,240.56
  4. Step 4: Simplify right side
    3,388.16x = 16,365,864.98
  5. Step 5: Solve for x
    x = 16,365,864.98/3,388.16
  6. Step 6: Final answer
    x = 4,830.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.