Home / 3,715.74-5,575.43-1,635.49

Finding the Fourth Proportional to 3,715.74, 5,575.43 and 1,635.49

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Solution

The fourth proportional to 3,715.74, 5,575.43 and 1,635.49 is: 2,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.74 : 5,575.43 = 1,635.49 : x
  2. Step 2: Convert to fraction form
    3,715.74/5,575.43 = 1,635.49/x
  3. Step 3: Cross multiply
    3,715.74x = 5,575.43 × 1,635.49
  4. Step 4: Simplify right side
    3,715.74x = 9,118,548.12
  5. Step 5: Solve for x
    x = 9,118,548.12/3,715.74
  6. Step 6: Final answer
    x = 2,454.03

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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.