Home / 3,199.53-4,415.76-1,873.22

Finding the Fourth Proportional to 3,199.53, 4,415.76 and 1,873.22

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Solution

The fourth proportional to 3,199.53, 4,415.76 and 1,873.22 is: 2,585.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.53 : 4,415.76 = 1,873.22 : x
  2. Step 2: Convert to fraction form
    3,199.53/4,415.76 = 1,873.22/x
  3. Step 3: Cross multiply
    3,199.53x = 4,415.76 × 1,873.22
  4. Step 4: Simplify right side
    3,199.53x = 8,271,667.87
  5. Step 5: Solve for x
    x = 8,271,667.87/3,199.53
  6. Step 6: Final answer
    x = 2,585.28

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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.