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Finding the Fourth Proportional to 3,973.22, 5,482.62 and 2,204.40

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Solution

The fourth proportional to 3,973.22, 5,482.62 and 2,204.40 is: 3,041.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.22 : 5,482.62 = 2,204.40 : x
  2. Step 2: Convert to fraction form
    3,973.22/5,482.62 = 2,204.40/x
  3. Step 3: Cross multiply
    3,973.22x = 5,482.62 × 2,204.40
  4. Step 4: Simplify right side
    3,973.22x = 12,085,887.53
  5. Step 5: Solve for x
    x = 12,085,887.53/3,973.22
  6. Step 6: Final answer
    x = 3,041.84

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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.