Home / 4,865.52-6,714.84-3,979.44

Finding the Fourth Proportional to 4,865.52, 6,714.84 and 3,979.44

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Solution

The fourth proportional to 4,865.52, 6,714.84 and 3,979.44 is: 5,491.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.52 : 6,714.84 = 3,979.44 : x
  2. Step 2: Convert to fraction form
    4,865.52/6,714.84 = 3,979.44/x
  3. Step 3: Cross multiply
    4,865.52x = 6,714.84 × 3,979.44
  4. Step 4: Simplify right side
    4,865.52x = 26,721,302.89
  5. Step 5: Solve for x
    x = 26,721,302.89/4,865.52
  6. Step 6: Final answer
    x = 5,491.97

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1.5x scale

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.