Home / 4,179.80-5,768.76-2,411.48

Finding the Fourth Proportional to 4,179.80, 5,768.76 and 2,411.48

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Solution

The fourth proportional to 4,179.80, 5,768.76 and 2,411.48 is: 3,328.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.80 : 5,768.76 = 2,411.48 : x
  2. Step 2: Convert to fraction form
    4,179.80/5,768.76 = 2,411.48/x
  3. Step 3: Cross multiply
    4,179.80x = 5,768.76 × 2,411.48
  4. Step 4: Simplify right side
    4,179.80x = 13,911,249.36
  5. Step 5: Solve for x
    x = 13,911,249.36/4,179.80
  6. Step 6: Final answer
    x = 3,328.21

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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.