Home / 3,716.65-5,575.03-1,636.15

Finding the Fourth Proportional to 3,716.65, 5,575.03 and 1,636.15

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Solution

The fourth proportional to 3,716.65, 5,575.03 and 1,636.15 is: 2,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.65 : 5,575.03 = 1,636.15 : x
  2. Step 2: Convert to fraction form
    3,716.65/5,575.03 = 1,636.15/x
  3. Step 3: Cross multiply
    3,716.65x = 5,575.03 × 1,636.15
  4. Step 4: Simplify right side
    3,716.65x = 9,121,577.76
  5. Step 5: Solve for x
    x = 9,121,577.76/3,716.65
  6. Step 6: Final answer
    x = 2,454.25

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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.