Home / 6,281.40-8,668.44-3,629.04

Finding the Fourth Proportional to 6,281.40, 8,668.44 and 3,629.04

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Solution

The fourth proportional to 6,281.40, 8,668.44 and 3,629.04 is: 5,008.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.40 : 8,668.44 = 3,629.04 : x
  2. Step 2: Convert to fraction form
    6,281.40/8,668.44 = 3,629.04/x
  3. Step 3: Cross multiply
    6,281.40x = 8,668.44 × 3,629.04
  4. Step 4: Simplify right side
    6,281.40x = 31,458,115.50
  5. Step 5: Solve for x
    x = 31,458,115.50/6,281.40
  6. Step 6: Final answer
    x = 5,008.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.