Home / 3,151.16-4,726.53-1,176.40

Finding the Fourth Proportional to 3,151.16, 4,726.53 and 1,176.40

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Solution

The fourth proportional to 3,151.16, 4,726.53 and 1,176.40 is: 1,764.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.16 : 4,726.53 = 1,176.40 : x
  2. Step 2: Convert to fraction form
    3,151.16/4,726.53 = 1,176.40/x
  3. Step 3: Cross multiply
    3,151.16x = 4,726.53 × 1,176.40
  4. Step 4: Simplify right side
    3,151.16x = 5,560,295.80
  5. Step 5: Solve for x
    x = 5,560,295.80/3,151.16
  6. Step 6: Final answer
    x = 1,764.52

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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.