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Finding the Fourth Proportional to 6,858.64, 9,464.95 and 3,714.83

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Solution

The fourth proportional to 6,858.64, 9,464.95 and 3,714.83 is: 5,126.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.64 : 9,464.95 = 3,714.83 : x
  2. Step 2: Convert to fraction form
    6,858.64/9,464.95 = 3,714.83/x
  3. Step 3: Cross multiply
    6,858.64x = 9,464.95 × 3,714.83
  4. Step 4: Simplify right side
    6,858.64x = 35,160,680.21
  5. Step 5: Solve for x
    x = 35,160,680.21/6,858.64
  6. Step 6: Final answer
    x = 5,126.48

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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.