Home / 4,179.80-5,768.64-2,501.20

Finding the Fourth Proportional to 4,179.80, 5,768.64 and 2,501.20

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Solution

The fourth proportional to 4,179.80, 5,768.64 and 2,501.20 is: 3,451.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.80 : 5,768.64 = 2,501.20 : x
  2. Step 2: Convert to fraction form
    4,179.80/5,768.64 = 2,501.20/x
  3. Step 3: Cross multiply
    4,179.80x = 5,768.64 × 2,501.20
  4. Step 4: Simplify right side
    4,179.80x = 14,428,522.37
  5. Step 5: Solve for x
    x = 14,428,522.37/4,179.80
  6. Step 6: Final answer
    x = 3,451.96

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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.