Home / 4,282.82-5,908.63-2,688.79

Finding the Fourth Proportional to 4,282.82, 5,908.63 and 2,688.79

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Solution

The fourth proportional to 4,282.82, 5,908.63 and 2,688.79 is: 3,709.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.82 : 5,908.63 = 2,688.79 : x
  2. Step 2: Convert to fraction form
    4,282.82/5,908.63 = 2,688.79/x
  3. Step 3: Cross multiply
    4,282.82x = 5,908.63 × 2,688.79
  4. Step 4: Simplify right side
    4,282.82x = 15,887,051.81
  5. Step 5: Solve for x
    x = 15,887,051.81/4,282.82
  6. Step 6: Final answer
    x = 3,709.48

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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.