Home / 3,168.23-4,752.39-976.95

Finding the Fourth Proportional to 3,168.23, 4,752.39 and 976.95

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Solution

The fourth proportional to 3,168.23, 4,752.39 and 976.95 is: 1,465.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.23 : 4,752.39 = 976.95 : x
  2. Step 2: Convert to fraction form
    3,168.23/4,752.39 = 976.95/x
  3. Step 3: Cross multiply
    3,168.23x = 4,752.39 × 976.95
  4. Step 4: Simplify right side
    3,168.23x = 4,642,847.41
  5. Step 5: Solve for x
    x = 4,642,847.41/3,168.23
  6. Step 6: Final answer
    x = 1,465.44

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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.