Home / 7,402.71-11,108.44-2,726.00

Finding the Fourth Proportional to 7,402.71, 11,108.44 and 2,726.00

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Solution

The fourth proportional to 7,402.71, 11,108.44 and 2,726.00 is: 4,090.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.71 : 11,108.44 = 2,726.00 : x
  2. Step 2: Convert to fraction form
    7,402.71/11,108.44 = 2,726.00/x
  3. Step 3: Cross multiply
    7,402.71x = 11,108.44 × 2,726.00
  4. Step 4: Simplify right side
    7,402.71x = 30,281,628.40
  5. Step 5: Solve for x
    x = 30,281,628.40/7,402.71
  6. Step 6: Final answer
    x = 4,090.61

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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.