Home / 3,199.80-4,415.40-2,360.96

Finding the Fourth Proportional to 3,199.80, 4,415.40 and 2,360.96

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Solution

The fourth proportional to 3,199.80, 4,415.40 and 2,360.96 is: 3,257.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.80 : 4,415.40 = 2,360.96 : x
  2. Step 2: Convert to fraction form
    3,199.80/4,415.40 = 2,360.96/x
  3. Step 3: Cross multiply
    3,199.80x = 4,415.40 × 2,360.96
  4. Step 4: Simplify right side
    3,199.80x = 10,424,582.78
  5. Step 5: Solve for x
    x = 10,424,582.78/3,199.80
  6. Step 6: Final answer
    x = 3,257.89

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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.