Home / 7,513.10-11,270.40-2,582.09

Finding the Fourth Proportional to 7,513.10, 11,270.40 and 2,582.09

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Solution

The fourth proportional to 7,513.10, 11,270.40 and 2,582.09 is: 3,873.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.10 : 11,270.40 = 2,582.09 : x
  2. Step 2: Convert to fraction form
    7,513.10/11,270.40 = 2,582.09/x
  3. Step 3: Cross multiply
    7,513.10x = 11,270.40 × 2,582.09
  4. Step 4: Simplify right side
    7,513.10x = 29,101,130.78
  5. Step 5: Solve for x
    x = 29,101,130.78/7,513.10
  6. Step 6: Final answer
    x = 3,873.39

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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.