Home / 4,581.90-6,876.41-2,116.98

Finding the Fourth Proportional to 4,581.90, 6,876.41 and 2,116.98

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Solution

The fourth proportional to 4,581.90, 6,876.41 and 2,116.98 is: 3,177.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581.90 : 6,876.41 = 2,116.98 : x
  2. Step 2: Convert to fraction form
    4,581.90/6,876.41 = 2,116.98/x
  3. Step 3: Cross multiply
    4,581.90x = 6,876.41 × 2,116.98
  4. Step 4: Simplify right side
    4,581.90x = 14,557,211.86
  5. Step 5: Solve for x
    x = 14,557,211.86/4,581.90
  6. Step 6: Final answer
    x = 3,177.11

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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.