Home / 1,918.96-2,649.44-1,476.08

Finding the Fourth Proportional to 1,918.96, 2,649.44 and 1,476.08

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Solution

The fourth proportional to 1,918.96, 2,649.44 and 1,476.08 is: 2,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918.96 : 2,649.44 = 1,476.08 : x
  2. Step 2: Convert to fraction form
    1,918.96/2,649.44 = 1,476.08/x
  3. Step 3: Cross multiply
    1,918.96x = 2,649.44 × 1,476.08
  4. Step 4: Simplify right side
    1,918.96x = 3,910,785.40
  5. Step 5: Solve for x
    x = 3,910,785.40/1,918.96
  6. Step 6: Final answer
    x = 2,037.97

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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.