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Finding the Fourth Proportional to 3,602.70, 5,392.26 and 1,955.16

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Solution

The fourth proportional to 3,602.70, 5,392.26 and 1,955.16 is: 2,926.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.70 : 5,392.26 = 1,955.16 : x
  2. Step 2: Convert to fraction form
    3,602.70/5,392.26 = 1,955.16/x
  3. Step 3: Cross multiply
    3,602.70x = 5,392.26 × 1,955.16
  4. Step 4: Simplify right side
    3,602.70x = 10,542,731.06
  5. Step 5: Solve for x
    x = 10,542,731.06/3,602.70
  6. Step 6: Final answer
    x = 2,926.34

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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.