Home / 3,805.46-5,707.34-1,172.53

Finding the Fourth Proportional to 3,805.46, 5,707.34 and 1,172.53

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Solution

The fourth proportional to 3,805.46, 5,707.34 and 1,172.53 is: 1,758.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.46 : 5,707.34 = 1,172.53 : x
  2. Step 2: Convert to fraction form
    3,805.46/5,707.34 = 1,172.53/x
  3. Step 3: Cross multiply
    3,805.46x = 5,707.34 × 1,172.53
  4. Step 4: Simplify right side
    3,805.46x = 6,692,011.64
  5. Step 5: Solve for x
    x = 6,692,011.64/3,805.46
  6. Step 6: Final answer
    x = 1,758.53

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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.