Home / 3,948.75-5,923.53-1,176.12

Finding the Fourth Proportional to 3,948.75, 5,923.53 and 1,176.12

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Solution

The fourth proportional to 3,948.75, 5,923.53 and 1,176.12 is: 1,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.75 : 5,923.53 = 1,176.12 : x
  2. Step 2: Convert to fraction form
    3,948.75/5,923.53 = 1,176.12/x
  3. Step 3: Cross multiply
    3,948.75x = 5,923.53 × 1,176.12
  4. Step 4: Simplify right side
    3,948.75x = 6,966,782.10
  5. Step 5: Solve for x
    x = 6,966,782.10/3,948.75
  6. Step 6: Final answer
    x = 1,764.30

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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.