Home / 7,316.25-10,974.37-3,423.39

Finding the Fourth Proportional to 7,316.25, 10,974.37 and 3,423.39

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Solution

The fourth proportional to 7,316.25, 10,974.37 and 3,423.39 is: 5,135.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.25 : 10,974.37 = 3,423.39 : x
  2. Step 2: Convert to fraction form
    7,316.25/10,974.37 = 3,423.39/x
  3. Step 3: Cross multiply
    7,316.25x = 10,974.37 × 3,423.39
  4. Step 4: Simplify right side
    7,316.25x = 37,569,548.51
  5. Step 5: Solve for x
    x = 37,569,548.51/7,316.25
  6. Step 6: Final answer
    x = 5,135.08

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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.