Home / 3,355.09-5,034.12-1,165.39

Finding the Fourth Proportional to 3,355.09, 5,034.12 and 1,165.39

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Solution

The fourth proportional to 3,355.09, 5,034.12 and 1,165.39 is: 1,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.09 : 5,034.12 = 1,165.39 : x
  2. Step 2: Convert to fraction form
    3,355.09/5,034.12 = 1,165.39/x
  3. Step 3: Cross multiply
    3,355.09x = 5,034.12 × 1,165.39
  4. Step 4: Simplify right side
    3,355.09x = 5,866,696.15
  5. Step 5: Solve for x
    x = 5,866,696.15/3,355.09
  6. Step 6: Final answer
    x = 1,748.60

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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.