Home / 4,122.36-6,184.61-1,814.40

Finding the Fourth Proportional to 4,122.36, 6,184.61 and 1,814.40

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Solution

The fourth proportional to 4,122.36, 6,184.61 and 1,814.40 is: 2,722.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.36 : 6,184.61 = 1,814.40 : x
  2. Step 2: Convert to fraction form
    4,122.36/6,184.61 = 1,814.40/x
  3. Step 3: Cross multiply
    4,122.36x = 6,184.61 × 1,814.40
  4. Step 4: Simplify right side
    4,122.36x = 11,221,356.38
  5. Step 5: Solve for x
    x = 11,221,356.38/4,122.36
  6. Step 6: Final answer
    x = 2,722.07

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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.