Home / 1,910.79-2,638.08-1,467.81

Finding the Fourth Proportional to 1,910.79, 2,638.08 and 1,467.81

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Solution

The fourth proportional to 1,910.79, 2,638.08 and 1,467.81 is: 2,026.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.79 : 2,638.08 = 1,467.81 : x
  2. Step 2: Convert to fraction form
    1,910.79/2,638.08 = 1,467.81/x
  3. Step 3: Cross multiply
    1,910.79x = 2,638.08 × 1,467.81
  4. Step 4: Simplify right side
    1,910.79x = 3,872,200.20
  5. Step 5: Solve for x
    x = 3,872,200.20/1,910.79
  6. Step 6: Final answer
    x = 2,026.49

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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.