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Finding the Fourth Proportional to 3,924.56, 5,886.80 and 1,002.86

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Solution

The fourth proportional to 3,924.56, 5,886.80 and 1,002.86 is: 1,504.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.56 : 5,886.80 = 1,002.86 : x
  2. Step 2: Convert to fraction form
    3,924.56/5,886.80 = 1,002.86/x
  3. Step 3: Cross multiply
    3,924.56x = 5,886.80 × 1,002.86
  4. Step 4: Simplify right side
    3,924.56x = 5,903,636.25
  5. Step 5: Solve for x
    x = 5,903,636.25/3,924.56
  6. Step 6: Final answer
    x = 1,504.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.