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Finding the Fourth Proportional to 5,764.98, 7,953.30 and 4,256.15

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Solution

The fourth proportional to 5,764.98, 7,953.30 and 4,256.15 is: 5,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,764.98 : 7,953.30 = 4,256.15 : x
  2. Step 2: Convert to fraction form
    5,764.98/7,953.30 = 4,256.15/x
  3. Step 3: Cross multiply
    5,764.98x = 7,953.30 × 4,256.15
  4. Step 4: Simplify right side
    5,764.98x = 33,850,398.03
  5. Step 5: Solve for x
    x = 33,850,398.03/5,764.98
  6. Step 6: Final answer
    x = 5,871.73

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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.