Home / 5,172.42-7,748.01-3,501.30

Finding the Fourth Proportional to 5,172.42, 7,748.01 and 3,501.30

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Solution

The fourth proportional to 5,172.42, 7,748.01 and 3,501.30 is: 5,244.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.42 : 7,748.01 = 3,501.30 : x
  2. Step 2: Convert to fraction form
    5,172.42/7,748.01 = 3,501.30/x
  3. Step 3: Cross multiply
    5,172.42x = 7,748.01 × 3,501.30
  4. Step 4: Simplify right side
    5,172.42x = 27,128,107.41
  5. Step 5: Solve for x
    x = 27,128,107.41/5,172.42
  6. Step 6: Final answer
    x = 5,244.76

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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.