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Finding the Fourth Proportional to 5,714.76, 7,885.17 and 3,356.04

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Solution

The fourth proportional to 5,714.76, 7,885.17 and 3,356.04 is: 4,630.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,714.76 : 7,885.17 = 3,356.04 : x
  2. Step 2: Convert to fraction form
    5,714.76/7,885.17 = 3,356.04/x
  3. Step 3: Cross multiply
    5,714.76x = 7,885.17 × 3,356.04
  4. Step 4: Simplify right side
    5,714.76x = 26,462,945.93
  5. Step 5: Solve for x
    x = 26,462,945.93/5,714.76
  6. Step 6: Final answer
    x = 4,630.63

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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.