Home / 5,687.18-8,530.76-2,568.28

Finding the Fourth Proportional to 5,687.18, 8,530.76 and 2,568.28

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Solution

The fourth proportional to 5,687.18, 8,530.76 and 2,568.28 is: 3,852.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.18 : 8,530.76 = 2,568.28 : x
  2. Step 2: Convert to fraction form
    5,687.18/8,530.76 = 2,568.28/x
  3. Step 3: Cross multiply
    5,687.18x = 8,530.76 × 2,568.28
  4. Step 4: Simplify right side
    5,687.18x = 21,909,380.29
  5. Step 5: Solve for x
    x = 21,909,380.29/5,687.18
  6. Step 6: Final answer
    x = 3,852.42

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Similar ratio
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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.