Home / 5,172.54-7,757.55-1,475.10

Finding the Fourth Proportional to 5,172.54, 7,757.55 and 1,475.10

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Solution

The fourth proportional to 5,172.54, 7,757.55 and 1,475.10 is: 2,212.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.54 : 7,757.55 = 1,475.10 : x
  2. Step 2: Convert to fraction form
    5,172.54/7,757.55 = 1,475.10/x
  3. Step 3: Cross multiply
    5,172.54x = 7,757.55 × 1,475.10
  4. Step 4: Simplify right side
    5,172.54x = 11,443,162.01
  5. Step 5: Solve for x
    x = 11,443,162.01/5,172.54
  6. Step 6: Final answer
    x = 2,212.29

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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.