Home / 5,432.64-8,136.72-2,506.56

Finding the Fourth Proportional to 5,432.64, 8,136.72 and 2,506.56

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Solution

The fourth proportional to 5,432.64, 8,136.72 and 2,506.56 is: 3,754.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.64 : 8,136.72 = 2,506.56 : x
  2. Step 2: Convert to fraction form
    5,432.64/8,136.72 = 2,506.56/x
  3. Step 3: Cross multiply
    5,432.64x = 8,136.72 × 2,506.56
  4. Step 4: Simplify right side
    5,432.64x = 20,395,176.88
  5. Step 5: Solve for x
    x = 20,395,176.88/5,432.64
  6. Step 6: Final answer
    x = 3,754.19

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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.