Home / 4,006.81-5,529.63-2,238.58

Finding the Fourth Proportional to 4,006.81, 5,529.63 and 2,238.58

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Solution

The fourth proportional to 4,006.81, 5,529.63 and 2,238.58 is: 3,089.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,006.81 : 5,529.63 = 2,238.58 : x
  2. Step 2: Convert to fraction form
    4,006.81/5,529.63 = 2,238.58/x
  3. Step 3: Cross multiply
    4,006.81x = 5,529.63 × 2,238.58
  4. Step 4: Simplify right side
    4,006.81x = 12,378,519.13
  5. Step 5: Solve for x
    x = 12,378,519.13/4,006.81
  6. Step 6: Final answer
    x = 3,089.37

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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.