Home / 8,782.04-13,171.47-2,540.52

Finding the Fourth Proportional to 8,782.04, 13,171.47 and 2,540.52

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Solution

The fourth proportional to 8,782.04, 13,171.47 and 2,540.52 is: 3,810.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.04 : 13,171.47 = 2,540.52 : x
  2. Step 2: Convert to fraction form
    8,782.04/13,171.47 = 2,540.52/x
  3. Step 3: Cross multiply
    8,782.04x = 13,171.47 × 2,540.52
  4. Step 4: Simplify right side
    8,782.04x = 33,462,382.96
  5. Step 5: Solve for x
    x = 33,462,382.96/8,782.04
  6. Step 6: Final answer
    x = 3,810.32

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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.