Home / 6,281.25-8,668.37-3,762.86

Finding the Fourth Proportional to 6,281.25, 8,668.37 and 3,762.86

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Solution

The fourth proportional to 6,281.25, 8,668.37 and 3,762.86 is: 5,192.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.25 : 8,668.37 = 3,762.86 : x
  2. Step 2: Convert to fraction form
    6,281.25/8,668.37 = 3,762.86/x
  3. Step 3: Cross multiply
    6,281.25x = 8,668.37 × 3,762.86
  4. Step 4: Simplify right side
    6,281.25x = 32,617,828.80
  5. Step 5: Solve for x
    x = 32,617,828.80/6,281.25
  6. Step 6: Final answer
    x = 5,192.89

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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.