Home / 3,199.80-4,415.73-1,873.24

Finding the Fourth Proportional to 3,199.80, 4,415.73 and 1,873.24

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Solution

The fourth proportional to 3,199.80, 4,415.73 and 1,873.24 is: 2,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.80 : 4,415.73 = 1,873.24 : x
  2. Step 2: Convert to fraction form
    3,199.80/4,415.73 = 1,873.24/x
  3. Step 3: Cross multiply
    3,199.80x = 4,415.73 × 1,873.24
  4. Step 4: Simplify right side
    3,199.80x = 8,271,722.07
  5. Step 5: Solve for x
    x = 8,271,722.07/3,199.80
  6. Step 6: Final answer
    x = 2,585.07

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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.