Home / 5,224.08-7,830.72-2,757.36

Finding the Fourth Proportional to 5,224.08, 7,830.72 and 2,757.36

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Solution

The fourth proportional to 5,224.08, 7,830.72 and 2,757.36 is: 4,133.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.08 : 7,830.72 = 2,757.36 : x
  2. Step 2: Convert to fraction form
    5,224.08/7,830.72 = 2,757.36/x
  3. Step 3: Cross multiply
    5,224.08x = 7,830.72 × 2,757.36
  4. Step 4: Simplify right side
    5,224.08x = 21,592,114.10
  5. Step 5: Solve for x
    x = 21,592,114.10/5,224.08
  6. Step 6: Final answer
    x = 4,133.19

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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.