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Finding the Fourth Proportional to 3,482.58, 5,220.20 and 1,837.46

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Solution

The fourth proportional to 3,482.58, 5,220.20 and 1,837.46 is: 2,754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.58 : 5,220.20 = 1,837.46 : x
  2. Step 2: Convert to fraction form
    3,482.58/5,220.20 = 1,837.46/x
  3. Step 3: Cross multiply
    3,482.58x = 5,220.20 × 1,837.46
  4. Step 4: Simplify right side
    3,482.58x = 9,591,908.69
  5. Step 5: Solve for x
    x = 9,591,908.69/3,482.58
  6. Step 6: Final answer
    x = 2,754.25

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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.