Home / 4,931.10-6,807.71-3,251.88

Finding the Fourth Proportional to 4,931.10, 6,807.71 and 3,251.88

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Solution

The fourth proportional to 4,931.10, 6,807.71 and 3,251.88 is: 4,489.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.10 : 6,807.71 = 3,251.88 : x
  2. Step 2: Convert to fraction form
    4,931.10/6,807.71 = 3,251.88/x
  3. Step 3: Cross multiply
    4,931.10x = 6,807.71 × 3,251.88
  4. Step 4: Simplify right side
    4,931.10x = 22,137,864.12
  5. Step 5: Solve for x
    x = 22,137,864.12/4,931.10
  6. Step 6: Final answer
    x = 4,489.44

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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.