Home / 3,587.74-4,951.20-2,015.98

Finding the Fourth Proportional to 3,587.74, 4,951.20 and 2,015.98

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Solution

The fourth proportional to 3,587.74, 4,951.20 and 2,015.98 is: 2,782.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.74 : 4,951.20 = 2,015.98 : x
  2. Step 2: Convert to fraction form
    3,587.74/4,951.20 = 2,015.98/x
  3. Step 3: Cross multiply
    3,587.74x = 4,951.20 × 2,015.98
  4. Step 4: Simplify right side
    3,587.74x = 9,981,520.18
  5. Step 5: Solve for x
    x = 9,981,520.18/3,587.74
  6. Step 6: Final answer
    x = 2,782.12

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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.