Home / 4,975.91-6,867.71-2,959.72

Finding the Fourth Proportional to 4,975.91, 6,867.71 and 2,959.72

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Solution

The fourth proportional to 4,975.91, 6,867.71 and 2,959.72 is: 4,084.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.91 : 6,867.71 = 2,959.72 : x
  2. Step 2: Convert to fraction form
    4,975.91/6,867.71 = 2,959.72/x
  3. Step 3: Cross multiply
    4,975.91x = 6,867.71 × 2,959.72
  4. Step 4: Simplify right side
    4,975.91x = 20,326,498.64
  5. Step 5: Solve for x
    x = 20,326,498.64/4,975.91
  6. Step 6: Final answer
    x = 4,084.98

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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.