Home / 2,847.12-3,928.08-1,799.04

Finding the Fourth Proportional to 2,847.12, 3,928.08 and 1,799.04

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Solution

The fourth proportional to 2,847.12, 3,928.08 and 1,799.04 is: 2,482.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.12 : 3,928.08 = 1,799.04 : x
  2. Step 2: Convert to fraction form
    2,847.12/3,928.08 = 1,799.04/x
  3. Step 3: Cross multiply
    2,847.12x = 3,928.08 × 1,799.04
  4. Step 4: Simplify right side
    2,847.12x = 7,066,773.04
  5. Step 5: Solve for x
    x = 7,066,773.04/2,847.12
  6. Step 6: Final answer
    x = 2,482.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.