Home / 4,992.12-7,482.96-2,066.40

Finding the Fourth Proportional to 4,992.12, 7,482.96 and 2,066.40

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Solution

The fourth proportional to 4,992.12, 7,482.96 and 2,066.40 is: 3,097.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.12 : 7,482.96 = 2,066.40 : x
  2. Step 2: Convert to fraction form
    4,992.12/7,482.96 = 2,066.40/x
  3. Step 3: Cross multiply
    4,992.12x = 7,482.96 × 2,066.40
  4. Step 4: Simplify right side
    4,992.12x = 15,462,788.54
  5. Step 5: Solve for x
    x = 15,462,788.54/4,992.12
  6. Step 6: Final answer
    x = 3,097.44

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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.