Home / 5,772.82-8,659.20-1,612.81

Finding the Fourth Proportional to 5,772.82, 8,659.20 and 1,612.81

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Solution

The fourth proportional to 5,772.82, 8,659.20 and 1,612.81 is: 2,419.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772.82 : 8,659.20 = 1,612.81 : x
  2. Step 2: Convert to fraction form
    5,772.82/8,659.20 = 1,612.81/x
  3. Step 3: Cross multiply
    5,772.82x = 8,659.20 × 1,612.81
  4. Step 4: Simplify right side
    5,772.82x = 13,965,661.22
  5. Step 5: Solve for x
    x = 13,965,661.22/5,772.82
  6. Step 6: Final answer
    x = 2,419.21

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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.