Home / 5,190.41-7,157.93-3,418.94

Finding the Fourth Proportional to 5,190.41, 7,157.93 and 3,418.94

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Solution

The fourth proportional to 5,190.41, 7,157.93 and 3,418.94 is: 4,714.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.41 : 7,157.93 = 3,418.94 : x
  2. Step 2: Convert to fraction form
    5,190.41/7,157.93 = 3,418.94/x
  3. Step 3: Cross multiply
    5,190.41x = 7,157.93 × 3,418.94
  4. Step 4: Simplify right side
    5,190.41x = 24,472,480.31
  5. Step 5: Solve for x
    x = 24,472,480.31/5,190.41
  6. Step 6: Final answer
    x = 4,714.95

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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.