Home / 2,649.41-3,973.36-1,068.13

Finding the Fourth Proportional to 2,649.41, 3,973.36 and 1,068.13

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Solution

The fourth proportional to 2,649.41, 3,973.36 and 1,068.13 is: 1,601.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.41 : 3,973.36 = 1,068.13 : x
  2. Step 2: Convert to fraction form
    2,649.41/3,973.36 = 1,068.13/x
  3. Step 3: Cross multiply
    2,649.41x = 3,973.36 × 1,068.13
  4. Step 4: Simplify right side
    2,649.41x = 4,244,039.81
  5. Step 5: Solve for x
    x = 4,244,039.81/2,649.41
  6. Step 6: Final answer
    x = 1,601.88

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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.