Home / 3,462.03-5,191.65-1,612.80

Finding the Fourth Proportional to 3,462.03, 5,191.65 and 1,612.80

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Solution

The fourth proportional to 3,462.03, 5,191.65 and 1,612.80 is: 2,418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.03 : 5,191.65 = 1,612.80 : x
  2. Step 2: Convert to fraction form
    3,462.03/5,191.65 = 1,612.80/x
  3. Step 3: Cross multiply
    3,462.03x = 5,191.65 × 1,612.80
  4. Step 4: Simplify right side
    3,462.03x = 8,373,093.12
  5. Step 5: Solve for x
    x = 8,373,093.12/3,462.03
  6. Step 6: Final answer
    x = 2,418.55

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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.