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Finding the Fourth Proportional to 5,373.62, 7,415.46 and 2,983.44

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Solution

The fourth proportional to 5,373.62, 7,415.46 and 2,983.44 is: 4,117.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.62 : 7,415.46 = 2,983.44 : x
  2. Step 2: Convert to fraction form
    5,373.62/7,415.46 = 2,983.44/x
  3. Step 3: Cross multiply
    5,373.62x = 7,415.46 × 2,983.44
  4. Step 4: Simplify right side
    5,373.62x = 22,123,579.98
  5. Step 5: Solve for x
    x = 22,123,579.98/5,373.62
  6. Step 6: Final answer
    x = 4,117.08

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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.