Home / 5,172.48-7,763.04-2,055.36

Finding the Fourth Proportional to 5,172.48, 7,763.04 and 2,055.36

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Solution

The fourth proportional to 5,172.48, 7,763.04 and 2,055.36 is: 3,084.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.48 : 7,763.04 = 2,055.36 : x
  2. Step 2: Convert to fraction form
    5,172.48/7,763.04 = 2,055.36/x
  3. Step 3: Cross multiply
    5,172.48x = 7,763.04 × 2,055.36
  4. Step 4: Simplify right side
    5,172.48x = 15,955,841.89
  5. Step 5: Solve for x
    x = 15,955,841.89/5,172.48
  6. Step 6: Final answer
    x = 3,084.76

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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.