Home / 7,018.23-10,529.40-2,636.03

Finding the Fourth Proportional to 7,018.23, 10,529.40 and 2,636.03

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Solution

The fourth proportional to 7,018.23, 10,529.40 and 2,636.03 is: 3,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.23 : 10,529.40 = 2,636.03 : x
  2. Step 2: Convert to fraction form
    7,018.23/10,529.40 = 2,636.03/x
  3. Step 3: Cross multiply
    7,018.23x = 10,529.40 × 2,636.03
  4. Step 4: Simplify right side
    7,018.23x = 27,755,814.28
  5. Step 5: Solve for x
    x = 27,755,814.28/7,018.23
  6. Step 6: Final answer
    x = 3,954.82

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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.