Home / 5,704.42-8,540.86-2,925.10

Finding the Fourth Proportional to 5,704.42, 8,540.86 and 2,925.10

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Solution

The fourth proportional to 5,704.42, 8,540.86 and 2,925.10 is: 4,379.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,704.42 : 8,540.86 = 2,925.10 : x
  2. Step 2: Convert to fraction form
    5,704.42/8,540.86 = 2,925.10/x
  3. Step 3: Cross multiply
    5,704.42x = 8,540.86 × 2,925.10
  4. Step 4: Simplify right side
    5,704.42x = 24,982,869.59
  5. Step 5: Solve for x
    x = 24,982,869.59/5,704.42
  6. Step 6: Final answer
    x = 4,379.56

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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.