Home / 2,677.91-4,017.85-1,118.07

Finding the Fourth Proportional to 2,677.91, 4,017.85 and 1,118.07

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Solution

The fourth proportional to 2,677.91, 4,017.85 and 1,118.07 is: 1,677.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.91 : 4,017.85 = 1,118.07 : x
  2. Step 2: Convert to fraction form
    2,677.91/4,017.85 = 1,118.07/x
  3. Step 3: Cross multiply
    2,677.91x = 4,017.85 × 1,118.07
  4. Step 4: Simplify right side
    2,677.91x = 4,492,231.96
  5. Step 5: Solve for x
    x = 4,492,231.96/2,677.91
  6. Step 6: Final answer
    x = 1,677.52

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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.