Home / 5,334.51-7,991.05-2,658.03

Finding the Fourth Proportional to 5,334.51, 7,991.05 and 2,658.03

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Solution

The fourth proportional to 5,334.51, 7,991.05 and 2,658.03 is: 3,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.51 : 7,991.05 = 2,658.03 : x
  2. Step 2: Convert to fraction form
    5,334.51/7,991.05 = 2,658.03/x
  3. Step 3: Cross multiply
    5,334.51x = 7,991.05 × 2,658.03
  4. Step 4: Simplify right side
    5,334.51x = 21,240,419.00
  5. Step 5: Solve for x
    x = 21,240,419.00/5,334.51
  6. Step 6: Final answer
    x = 3,981.70

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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.