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Finding the Fourth Proportional to 3,775.04, 5,209.52 and 2,119.04

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Solution

The fourth proportional to 3,775.04, 5,209.52 and 2,119.04 is: 2,924.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.04 : 5,209.52 = 2,119.04 : x
  2. Step 2: Convert to fraction form
    3,775.04/5,209.52 = 2,119.04/x
  3. Step 3: Cross multiply
    3,775.04x = 5,209.52 × 2,119.04
  4. Step 4: Simplify right side
    3,775.04x = 11,039,181.26
  5. Step 5: Solve for x
    x = 11,039,181.26/3,775.04
  6. Step 6: Final answer
    x = 2,924.26

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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.