Home / 2,095.54-3,139.66-1,118.68

Finding the Fourth Proportional to 2,095.54, 3,139.66 and 1,118.68

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Solution

The fourth proportional to 2,095.54, 3,139.66 and 1,118.68 is: 1,676.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.54 : 3,139.66 = 1,118.68 : x
  2. Step 2: Convert to fraction form
    2,095.54/3,139.66 = 1,118.68/x
  3. Step 3: Cross multiply
    2,095.54x = 3,139.66 × 1,118.68
  4. Step 4: Simplify right side
    2,095.54x = 3,512,274.85
  5. Step 5: Solve for x
    x = 3,512,274.85/2,095.54
  6. Step 6: Final answer
    x = 1,676.07

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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.