Home / 7,613.33-11,420.91-2,681.95

Finding the Fourth Proportional to 7,613.33, 11,420.91 and 2,681.95

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Solution

The fourth proportional to 7,613.33, 11,420.91 and 2,681.95 is: 4,023.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.33 : 11,420.91 = 2,681.95 : x
  2. Step 2: Convert to fraction form
    7,613.33/11,420.91 = 2,681.95/x
  3. Step 3: Cross multiply
    7,613.33x = 11,420.91 × 2,681.95
  4. Step 4: Simplify right side
    7,613.33x = 30,630,309.57
  5. Step 5: Solve for x
    x = 30,630,309.57/7,613.33
  6. Step 6: Final answer
    x = 4,023.25

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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.