Home / 7,613.65-11,420.53-2,683.38

Finding the Fourth Proportional to 7,613.65, 11,420.53 and 2,683.38

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Solution

The fourth proportional to 7,613.65, 11,420.53 and 2,683.38 is: 4,025.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.65 : 11,420.53 = 2,683.38 : x
  2. Step 2: Convert to fraction form
    7,613.65/11,420.53 = 2,683.38/x
  3. Step 3: Cross multiply
    7,613.65x = 11,420.53 × 2,683.38
  4. Step 4: Simplify right side
    7,613.65x = 30,645,621.79
  5. Step 5: Solve for x
    x = 30,645,621.79/7,613.65
  6. Step 6: Final answer
    x = 4,025.09

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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.