Home / 5,714.91-7,886.20-3,196.58

Finding the Fourth Proportional to 5,714.91, 7,886.20 and 3,196.58

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Solution

The fourth proportional to 5,714.91, 7,886.20 and 3,196.58 is: 4,411.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,714.91 : 7,886.20 = 3,196.58 : x
  2. Step 2: Convert to fraction form
    5,714.91/7,886.20 = 3,196.58/x
  3. Step 3: Cross multiply
    5,714.91x = 7,886.20 × 3,196.58
  4. Step 4: Simplify right side
    5,714.91x = 25,208,869.20
  5. Step 5: Solve for x
    x = 25,208,869.20/5,714.91
  6. Step 6: Final answer
    x = 4,411.07

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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.