Home / 3,316.52-4,975.60-1,369.28

Finding the Fourth Proportional to 3,316.52, 4,975.60 and 1,369.28

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Solution

The fourth proportional to 3,316.52, 4,975.60 and 1,369.28 is: 2,054.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.52 : 4,975.60 = 1,369.28 : x
  2. Step 2: Convert to fraction form
    3,316.52/4,975.60 = 1,369.28/x
  3. Step 3: Cross multiply
    3,316.52x = 4,975.60 × 1,369.28
  4. Step 4: Simplify right side
    3,316.52x = 6,812,989.57
  5. Step 5: Solve for x
    x = 6,812,989.57/3,316.52
  6. Step 6: Final answer
    x = 2,054.26

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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.