Home / 4,409.39-6,614.46-1,122.43

Finding the Fourth Proportional to 4,409.39, 6,614.46 and 1,122.43

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Solution

The fourth proportional to 4,409.39, 6,614.46 and 1,122.43 is: 1,683.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,409.39 : 6,614.46 = 1,122.43 : x
  2. Step 2: Convert to fraction form
    4,409.39/6,614.46 = 1,122.43/x
  3. Step 3: Cross multiply
    4,409.39x = 6,614.46 × 1,122.43
  4. Step 4: Simplify right side
    4,409.39x = 7,424,282.81
  5. Step 5: Solve for x
    x = 7,424,282.81/4,409.39
  6. Step 6: Final answer
    x = 1,683.74

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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.