Home / 3,716.78-5,570.28-2,074.10

Finding the Fourth Proportional to 3,716.78, 5,570.28 and 2,074.10

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Solution

The fourth proportional to 3,716.78, 5,570.28 and 2,074.10 is: 3,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.78 : 5,570.28 = 2,074.10 : x
  2. Step 2: Convert to fraction form
    3,716.78/5,570.28 = 2,074.10/x
  3. Step 3: Cross multiply
    3,716.78x = 5,570.28 × 2,074.10
  4. Step 4: Simplify right side
    3,716.78x = 11,553,317.75
  5. Step 5: Solve for x
    x = 11,553,317.75/3,716.78
  6. Step 6: Final answer
    x = 3,108.42

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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.