Home / 3,748.15-5,172.36-2,069.52

Finding the Fourth Proportional to 3,748.15, 5,172.36 and 2,069.52

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Solution

The fourth proportional to 3,748.15, 5,172.36 and 2,069.52 is: 2,855.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.15 : 5,172.36 = 2,069.52 : x
  2. Step 2: Convert to fraction form
    3,748.15/5,172.36 = 2,069.52/x
  3. Step 3: Cross multiply
    3,748.15x = 5,172.36 × 2,069.52
  4. Step 4: Simplify right side
    3,748.15x = 10,704,302.47
  5. Step 5: Solve for x
    x = 10,704,302.47/3,748.15
  6. Step 6: Final answer
    x = 2,855.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.