Home / 5,056.60-7,582.20-2,131.60

Finding the Fourth Proportional to 5,056.60, 7,582.20 and 2,131.60

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Solution

The fourth proportional to 5,056.60, 7,582.20 and 2,131.60 is: 3,196.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,056.60 : 7,582.20 = 2,131.60 : x
  2. Step 2: Convert to fraction form
    5,056.60/7,582.20 = 2,131.60/x
  3. Step 3: Cross multiply
    5,056.60x = 7,582.20 × 2,131.60
  4. Step 4: Simplify right side
    5,056.60x = 16,162,217.52
  5. Step 5: Solve for x
    x = 16,162,217.52/5,056.60
  6. Step 6: Final answer
    x = 3,196.26

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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.