Home / 3,462.12-5,190.48-1,612.98

Finding the Fourth Proportional to 3,462.12, 5,190.48 and 1,612.98

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Solution

The fourth proportional to 3,462.12, 5,190.48 and 1,612.98 is: 2,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.12 : 5,190.48 = 1,612.98 : x
  2. Step 2: Convert to fraction form
    3,462.12/5,190.48 = 1,612.98/x
  3. Step 3: Cross multiply
    3,462.12x = 5,190.48 × 1,612.98
  4. Step 4: Simplify right side
    3,462.12x = 8,372,140.43
  5. Step 5: Solve for x
    x = 8,372,140.43/3,462.12
  6. Step 6: Final answer
    x = 2,418.21

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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.