Home / 3,476.75-5,220.32-3,424.86

Finding the Fourth Proportional to 3,476.75, 5,220.32 and 3,424.86

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Solution

The fourth proportional to 3,476.75, 5,220.32 and 3,424.86 is: 5,142.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.75 : 5,220.32 = 3,424.86 : x
  2. Step 2: Convert to fraction form
    3,476.75/5,220.32 = 3,424.86/x
  3. Step 3: Cross multiply
    3,476.75x = 5,220.32 × 3,424.86
  4. Step 4: Simplify right side
    3,476.75x = 17,878,865.16
  5. Step 5: Solve for x
    x = 17,878,865.16/3,476.75
  6. Step 6: Final answer
    x = 5,142.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.