Home / 4,576.50-6,867.18-1,979.64

Finding the Fourth Proportional to 4,576.50, 6,867.18 and 1,979.64

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Solution

The fourth proportional to 4,576.50, 6,867.18 and 1,979.64 is: 2,970.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,576.50 : 6,867.18 = 1,979.64 : x
  2. Step 2: Convert to fraction form
    4,576.50/6,867.18 = 1,979.64/x
  3. Step 3: Cross multiply
    4,576.50x = 6,867.18 × 1,979.64
  4. Step 4: Simplify right side
    4,576.50x = 13,594,544.22
  5. Step 5: Solve for x
    x = 13,594,544.22/4,576.50
  6. Step 6: Final answer
    x = 2,970.51

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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.