Home / 2,876.39-4,334.15-2,367.80

Finding the Fourth Proportional to 2,876.39, 4,334.15 and 2,367.80

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Solution

The fourth proportional to 2,876.39, 4,334.15 and 2,367.80 is: 3,567.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.39 : 4,334.15 = 2,367.80 : x
  2. Step 2: Convert to fraction form
    2,876.39/4,334.15 = 2,367.80/x
  3. Step 3: Cross multiply
    2,876.39x = 4,334.15 × 2,367.80
  4. Step 4: Simplify right side
    2,876.39x = 10,262,400.37
  5. Step 5: Solve for x
    x = 10,262,400.37/2,876.39
  6. Step 6: Final answer
    x = 3,567.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.