Home / 5,425.04-8,136.60-1,529.42

Finding the Fourth Proportional to 5,425.04, 8,136.60 and 1,529.42

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Solution

The fourth proportional to 5,425.04, 8,136.60 and 1,529.42 is: 2,293.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.04 : 8,136.60 = 1,529.42 : x
  2. Step 2: Convert to fraction form
    5,425.04/8,136.60 = 1,529.42/x
  3. Step 3: Cross multiply
    5,425.04x = 8,136.60 × 1,529.42
  4. Step 4: Simplify right side
    5,425.04x = 12,444,278.77
  5. Step 5: Solve for x
    x = 12,444,278.77/5,425.04
  6. Step 6: Final answer
    x = 2,293.86

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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.