Home / 5,714.10-7,885.85-3,196.16

Finding the Fourth Proportional to 5,714.10, 7,885.85 and 3,196.16

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Solution

The fourth proportional to 5,714.10, 7,885.85 and 3,196.16 is: 4,410.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,714.10 : 7,885.85 = 3,196.16 : x
  2. Step 2: Convert to fraction form
    5,714.10/7,885.85 = 3,196.16/x
  3. Step 3: Cross multiply
    5,714.10x = 7,885.85 × 3,196.16
  4. Step 4: Simplify right side
    5,714.10x = 25,204,382.93
  5. Step 5: Solve for x
    x = 25,204,382.93/5,714.10
  6. Step 6: Final answer
    x = 4,410.91

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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.