Home / 3,148.84-4,336.02-2,993.32

Finding the Fourth Proportional to 3,148.84, 4,336.02 and 2,993.32

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Solution

The fourth proportional to 3,148.84, 4,336.02 and 2,993.32 is: 4,121.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.84 : 4,336.02 = 2,993.32 : x
  2. Step 2: Convert to fraction form
    3,148.84/4,336.02 = 2,993.32/x
  3. Step 3: Cross multiply
    3,148.84x = 4,336.02 × 2,993.32
  4. Step 4: Simplify right side
    3,148.84x = 12,979,095.39
  5. Step 5: Solve for x
    x = 12,979,095.39/3,148.84
  6. Step 6: Final answer
    x = 4,121.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.