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Finding the Fourth Proportional to 5,731.08, 7,907.45 and 3,492.82

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Solution

The fourth proportional to 5,731.08, 7,907.45 and 3,492.82 is: 4,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731.08 : 7,907.45 = 3,492.82 : x
  2. Step 2: Convert to fraction form
    5,731.08/7,907.45 = 3,492.82/x
  3. Step 3: Cross multiply
    5,731.08x = 7,907.45 × 3,492.82
  4. Step 4: Simplify right side
    5,731.08x = 27,619,301.75
  5. Step 5: Solve for x
    x = 27,619,301.75/5,731.08
  6. Step 6: Final answer
    x = 4,819.21

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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.