Home / 3,587.83-4,951.20-1,994.77

Finding the Fourth Proportional to 3,587.83, 4,951.20 and 1,994.77

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Solution

The fourth proportional to 3,587.83, 4,951.20 and 1,994.77 is: 2,752.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.83 : 4,951.20 = 1,994.77 : x
  2. Step 2: Convert to fraction form
    3,587.83/4,951.20 = 1,994.77/x
  3. Step 3: Cross multiply
    3,587.83x = 4,951.20 × 1,994.77
  4. Step 4: Simplify right side
    3,587.83x = 9,876,505.22
  5. Step 5: Solve for x
    x = 9,876,505.22/3,587.83
  6. Step 6: Final answer
    x = 2,752.78

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1.5x scale

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.