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Finding the Fourth Proportional to 5,372.76, 7,415.46 and 3,014.76

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Solution

The fourth proportional to 5,372.76, 7,415.46 and 3,014.76 is: 4,160.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.76 : 7,415.46 = 3,014.76 : x
  2. Step 2: Convert to fraction form
    5,372.76/7,415.46 = 3,014.76/x
  3. Step 3: Cross multiply
    5,372.76x = 7,415.46 × 3,014.76
  4. Step 4: Simplify right side
    5,372.76x = 22,355,832.19
  5. Step 5: Solve for x
    x = 22,355,832.19/5,372.76
  6. Step 6: Final answer
    x = 4,160.96

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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.