Home / 7,579.51-11,369.87-2,649.04

Finding the Fourth Proportional to 7,579.51, 11,369.87 and 2,649.04

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Solution

The fourth proportional to 7,579.51, 11,369.87 and 2,649.04 is: 3,973.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.51 : 11,369.87 = 2,649.04 : x
  2. Step 2: Convert to fraction form
    7,579.51/11,369.87 = 2,649.04/x
  3. Step 3: Cross multiply
    7,579.51x = 11,369.87 × 2,649.04
  4. Step 4: Simplify right side
    7,579.51x = 30,119,240.42
  5. Step 5: Solve for x
    x = 30,119,240.42/7,579.51
  6. Step 6: Final answer
    x = 3,973.77

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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.