Home / 5,288.16-7,936.24-3,603.36

Finding the Fourth Proportional to 5,288.16, 7,936.24 and 3,603.36

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Solution

The fourth proportional to 5,288.16, 7,936.24 and 3,603.36 is: 5,407.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.16 : 7,936.24 = 3,603.36 : x
  2. Step 2: Convert to fraction form
    5,288.16/7,936.24 = 3,603.36/x
  3. Step 3: Cross multiply
    5,288.16x = 7,936.24 × 3,603.36
  4. Step 4: Simplify right side
    5,288.16x = 28,597,129.77
  5. Step 5: Solve for x
    x = 28,597,129.77/5,288.16
  6. Step 6: Final answer
    x = 5,407.77

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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.