Home / 4,111.32-6,164.70-2,814.36

Finding the Fourth Proportional to 4,111.32, 6,164.70 and 2,814.36

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Solution

The fourth proportional to 4,111.32, 6,164.70 and 2,814.36 is: 4,219.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.32 : 6,164.70 = 2,814.36 : x
  2. Step 2: Convert to fraction form
    4,111.32/6,164.70 = 2,814.36/x
  3. Step 3: Cross multiply
    4,111.32x = 6,164.70 × 2,814.36
  4. Step 4: Simplify right side
    4,111.32x = 17,349,685.09
  5. Step 5: Solve for x
    x = 17,349,685.09/4,111.32
  6. Step 6: Final answer
    x = 4,219.98

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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.