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Finding the Fourth Proportional to 3,957.61, 5,936.35 and 1,184.30

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Solution

The fourth proportional to 3,957.61, 5,936.35 and 1,184.30 is: 1,776.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.61 : 5,936.35 = 1,184.30 : x
  2. Step 2: Convert to fraction form
    3,957.61/5,936.35 = 1,184.30/x
  3. Step 3: Cross multiply
    3,957.61x = 5,936.35 × 1,184.30
  4. Step 4: Simplify right side
    3,957.61x = 7,030,419.31
  5. Step 5: Solve for x
    x = 7,030,419.31/3,957.61
  6. Step 6: Final answer
    x = 1,776.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.