Home / 4,145.36-5,722.71-3,199.02

Finding the Fourth Proportional to 4,145.36, 5,722.71 and 3,199.02

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Solution

The fourth proportional to 4,145.36, 5,722.71 and 3,199.02 is: 4,416.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.36 : 5,722.71 = 3,199.02 : x
  2. Step 2: Convert to fraction form
    4,145.36/5,722.71 = 3,199.02/x
  3. Step 3: Cross multiply
    4,145.36x = 5,722.71 × 3,199.02
  4. Step 4: Simplify right side
    4,145.36x = 18,307,063.74
  5. Step 5: Solve for x
    x = 18,307,063.74/4,145.36
  6. Step 6: Final answer
    x = 4,416.28

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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.