Home / 3,909.97-5,861.40-1,444.16

Finding the Fourth Proportional to 3,909.97, 5,861.40 and 1,444.16

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Solution

The fourth proportional to 3,909.97, 5,861.40 and 1,444.16 is: 2,164.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.97 : 5,861.40 = 1,444.16 : x
  2. Step 2: Convert to fraction form
    3,909.97/5,861.40 = 1,444.16/x
  3. Step 3: Cross multiply
    3,909.97x = 5,861.40 × 1,444.16
  4. Step 4: Simplify right side
    3,909.97x = 8,464,808.66
  5. Step 5: Solve for x
    x = 8,464,808.66/3,909.97
  6. Step 6: Final answer
    x = 2,164.93

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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.