Home / 5,592.69-7,709.79-3,908.88

Finding the Fourth Proportional to 5,592.69, 7,709.79 and 3,908.88

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Solution

The fourth proportional to 5,592.69, 7,709.79 and 3,908.88 is: 5,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,592.69 : 7,709.79 = 3,908.88 : x
  2. Step 2: Convert to fraction form
    5,592.69/7,709.79 = 3,908.88/x
  3. Step 3: Cross multiply
    5,592.69x = 7,709.79 × 3,908.88
  4. Step 4: Simplify right side
    5,592.69x = 30,136,643.94
  5. Step 5: Solve for x
    x = 30,136,643.94/5,592.69
  6. Step 6: Final answer
    x = 5,388.58

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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.