Home / 4,179.60-5,767.80-2,411.76

Finding the Fourth Proportional to 4,179.60, 5,767.80 and 2,411.76

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Solution

The fourth proportional to 4,179.60, 5,767.80 and 2,411.76 is: 3,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.60 : 5,767.80 = 2,411.76 : x
  2. Step 2: Convert to fraction form
    4,179.60/5,767.80 = 2,411.76/x
  3. Step 3: Cross multiply
    4,179.60x = 5,767.80 × 2,411.76
  4. Step 4: Simplify right side
    4,179.60x = 13,910,549.33
  5. Step 5: Solve for x
    x = 13,910,549.33/4,179.60
  6. Step 6: Final answer
    x = 3,328.20

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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.