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Finding the Fourth Proportional to 4,695, 6,485.43 and 4,362.90

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Solution

The fourth proportional to 4,695, 6,485.43 and 4,362.90 is: 6,026.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695 : 6,485.43 = 4,362.90 : x
  2. Step 2: Convert to fraction form
    4,695/6,485.43 = 4,362.90/x
  3. Step 3: Cross multiply
    4,695x = 6,485.43 × 4,362.90
  4. Step 4: Simplify right side
    4,695x = 28,295,282.55
  5. Step 5: Solve for x
    x = 28,295,282.55/4,695
  6. Step 6: Final answer
    x = 6,026.68

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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.