Home / 2,113.03-3,169.54-1,176.55

Finding the Fourth Proportional to 2,113.03, 3,169.54 and 1,176.55

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Solution

The fourth proportional to 2,113.03, 3,169.54 and 1,176.55 is: 1,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.03 : 3,169.54 = 1,176.55 : x
  2. Step 2: Convert to fraction form
    2,113.03/3,169.54 = 1,176.55/x
  3. Step 3: Cross multiply
    2,113.03x = 3,169.54 × 1,176.55
  4. Step 4: Simplify right side
    2,113.03x = 3,729,116.40
  5. Step 5: Solve for x
    x = 3,729,116.40/2,113.03
  6. Step 6: Final answer
    x = 1,764.82

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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.