Home / 7,191.12-10,776.88-3,027.68

Finding the Fourth Proportional to 7,191.12, 10,776.88 and 3,027.68

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Solution

The fourth proportional to 7,191.12, 10,776.88 and 3,027.68 is: 4,537.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.12 : 10,776.88 = 3,027.68 : x
  2. Step 2: Convert to fraction form
    7,191.12/10,776.88 = 3,027.68/x
  3. Step 3: Cross multiply
    7,191.12x = 10,776.88 × 3,027.68
  4. Step 4: Simplify right side
    7,191.12x = 32,628,944.04
  5. Step 5: Solve for x
    x = 32,628,944.04/7,191.12
  6. Step 6: Final answer
    x = 4,537.39

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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.