Home / 5,720.96-8,573.28-3,381.44

Finding the Fourth Proportional to 5,720.96, 8,573.28 and 3,381.44

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Solution

The fourth proportional to 5,720.96, 8,573.28 and 3,381.44 is: 5,067.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.96 : 8,573.28 = 3,381.44 : x
  2. Step 2: Convert to fraction form
    5,720.96/8,573.28 = 3,381.44/x
  3. Step 3: Cross multiply
    5,720.96x = 8,573.28 × 3,381.44
  4. Step 4: Simplify right side
    5,720.96x = 28,990,031.92
  5. Step 5: Solve for x
    x = 28,990,031.92/5,720.96
  6. Step 6: Final answer
    x = 5,067.34

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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.