Home / 2,551.80-3,524.87-1,892.06

Finding the Fourth Proportional to 2,551.80, 3,524.87 and 1,892.06

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Solution

The fourth proportional to 2,551.80, 3,524.87 and 1,892.06 is: 2,613.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.80 : 3,524.87 = 1,892.06 : x
  2. Step 2: Convert to fraction form
    2,551.80/3,524.87 = 1,892.06/x
  3. Step 3: Cross multiply
    2,551.80x = 3,524.87 × 1,892.06
  4. Step 4: Simplify right side
    2,551.80x = 6,669,255.21
  5. Step 5: Solve for x
    x = 6,669,255.21/2,551.80
  6. Step 6: Final answer
    x = 2,613.55

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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.