Home / 5,748.10-8,618.10-2,629.60

Finding the Fourth Proportional to 5,748.10, 8,618.10 and 2,629.60

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Solution

The fourth proportional to 5,748.10, 8,618.10 and 2,629.60 is: 3,942.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748.10 : 8,618.10 = 2,629.60 : x
  2. Step 2: Convert to fraction form
    5,748.10/8,618.10 = 2,629.60/x
  3. Step 3: Cross multiply
    5,748.10x = 8,618.10 × 2,629.60
  4. Step 4: Simplify right side
    5,748.10x = 22,662,155.76
  5. Step 5: Solve for x
    x = 22,662,155.76/5,748.10
  6. Step 6: Final answer
    x = 3,942.55

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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.