Home / 5,134.08-7,704-2,172.16

Finding the Fourth Proportional to 5,134.08, 7,704 and 2,172.16

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Solution

The fourth proportional to 5,134.08, 7,704 and 2,172.16 is: 3,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.08 : 7,704 = 2,172.16 : x
  2. Step 2: Convert to fraction form
    5,134.08/7,704 = 2,172.16/x
  3. Step 3: Cross multiply
    5,134.08x = 7,704 × 2,172.16
  4. Step 4: Simplify right side
    5,134.08x = 16,734,320.64
  5. Step 5: Solve for x
    x = 16,734,320.64/5,134.08
  6. Step 6: Final answer
    x = 3,259.46

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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.