Home / 2,531.96-3,493.68-1,412.92

Finding the Fourth Proportional to 2,531.96, 3,493.68 and 1,412.92

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Solution

The fourth proportional to 2,531.96, 3,493.68 and 1,412.92 is: 1,949.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.96 : 3,493.68 = 1,412.92 : x
  2. Step 2: Convert to fraction form
    2,531.96/3,493.68 = 1,412.92/x
  3. Step 3: Cross multiply
    2,531.96x = 3,493.68 × 1,412.92
  4. Step 4: Simplify right side
    2,531.96x = 4,936,290.35
  5. Step 5: Solve for x
    x = 4,936,290.35/2,531.96
  6. Step 6: Final answer
    x = 1,949.59

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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.