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Finding the Fourth Proportional to 5,010.64, 6,914.28 and 2,886.34

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Solution

The fourth proportional to 5,010.64, 6,914.28 and 2,886.34 is: 3,982.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.64 : 6,914.28 = 2,886.34 : x
  2. Step 2: Convert to fraction form
    5,010.64/6,914.28 = 2,886.34/x
  3. Step 3: Cross multiply
    5,010.64x = 6,914.28 × 2,886.34
  4. Step 4: Simplify right side
    5,010.64x = 19,956,962.94
  5. Step 5: Solve for x
    x = 19,956,962.94/5,010.64
  6. Step 6: Final answer
    x = 3,982.92

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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.