Home / 7,603.12-11,402.52-2,922.81

Finding the Fourth Proportional to 7,603.12, 11,402.52 and 2,922.81

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Solution

The fourth proportional to 7,603.12, 11,402.52 and 2,922.81 is: 4,383.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.12 : 11,402.52 = 2,922.81 : x
  2. Step 2: Convert to fraction form
    7,603.12/11,402.52 = 2,922.81/x
  3. Step 3: Cross multiply
    7,603.12x = 11,402.52 × 2,922.81
  4. Step 4: Simplify right side
    7,603.12x = 33,327,399.48
  5. Step 5: Solve for x
    x = 33,327,399.48/7,603.12
  6. Step 6: Final answer
    x = 4,383.38

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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.