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Finding the Fourth Proportional to 5,312.58, 7,334.10 and 3,553.44

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Solution

The fourth proportional to 5,312.58, 7,334.10 and 3,553.44 is: 4,905.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.58 : 7,334.10 = 3,553.44 : x
  2. Step 2: Convert to fraction form
    5,312.58/7,334.10 = 3,553.44/x
  3. Step 3: Cross multiply
    5,312.58x = 7,334.10 × 3,553.44
  4. Step 4: Simplify right side
    5,312.58x = 26,061,284.30
  5. Step 5: Solve for x
    x = 26,061,284.30/5,312.58
  6. Step 6: Final answer
    x = 4,905.58

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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.