Home / 7,727.96-11,591.14-2,181.16

Finding the Fourth Proportional to 7,727.96, 11,591.14 and 2,181.16

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Solution

The fourth proportional to 7,727.96, 11,591.14 and 2,181.16 is: 3,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.96 : 11,591.14 = 2,181.16 : x
  2. Step 2: Convert to fraction form
    7,727.96/11,591.14 = 2,181.16/x
  3. Step 3: Cross multiply
    7,727.96x = 11,591.14 × 2,181.16
  4. Step 4: Simplify right side
    7,727.96x = 25,282,130.92
  5. Step 5: Solve for x
    x = 25,282,130.92/7,727.96
  6. Step 6: Final answer
    x = 3,271.51

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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.