Home / 3,554.54-5,327.17-1,909.16

Finding the Fourth Proportional to 3,554.54, 5,327.17 and 1,909.16

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Solution

The fourth proportional to 3,554.54, 5,327.17 and 1,909.16 is: 2,861.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.54 : 5,327.17 = 1,909.16 : x
  2. Step 2: Convert to fraction form
    3,554.54/5,327.17 = 1,909.16/x
  3. Step 3: Cross multiply
    3,554.54x = 5,327.17 × 1,909.16
  4. Step 4: Simplify right side
    3,554.54x = 10,170,419.88
  5. Step 5: Solve for x
    x = 10,170,419.88/3,554.54
  6. Step 6: Final answer
    x = 2,861.25

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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.